(Updated through 3 November 1999)

5587 Ágústsson, K., A. T. Linde, R. Stefánsson, and I. S. Sacks, Strain changes for the 1987 Vatnafjöll earthquake in south Iceland and possible magmatic triggering, J. Geophys. Res. 104, 1151-1161, 1999.

5632 Alexander, C. M. O'D., and L. R. Nittler, The galactic evolution of Si, Ti, and O isotopic ratios, Astrophys. J. 519, 222-235, 1999.

5624 Becker, H., K. P. Jochum, and R. W. Carlson, Constraints from high-pressure veins in eclogites on the composition of hydrous fluids in subduction zones, Chem. Geol. 160, 291-308, 1999.

5635 Bloom, J. R., S. C. Odewahn, S. G. Djorgovski, S. R. Kulkarni, F. A. Harrison, C. Koresko, G. Neugebauer, L. Armus, D. A. Frail, R. R. Gal, R. Sari, G. Squires, G. Illingworth, D. Kelson, F. H. Chaffee, R. Goodrich, M. Feroci, E. Costa, L. Piro, F. Frontera, S. Mao, C. Akerlof, and T. A. McKay, The host galaxy of GRB 990123, Astrophys. J. (Lett.) 518, L1-L4, 1999. (No reprints available.)

5619 Boss, A. P., Collapse and fragmentation of molecular cloud cores. VI. Slowly rotating magnetic clouds, Astrophys. J. 520, 744-750, 1999.

5621 Boss, A. P., Planets elsewhere: more surprises, Modern Astronomer 3 (no. 1), 59-60, 1999. (No reprints available.)

5622 Boss, A. P., The birth of binary stars, Sky & Telescope 97 (no. 6), 32-38, 1999. (No reprints available.)

5625 Brandon, A. D., H. Becker, R. W. Carlson, and S. B. Shirey, Isotopic constraints on time scales and mechanisms of slab material transport in the mantle wedge: evidence from the Simcoe mantle xenoliths, Washington, USA, Chem. Geol. 160, 387-407, 1999. (No reprints available.)

5610 Brown, L., "Richard Brooke Roberts," in American National Biography, J. A. Garraty and M. C. Carnes, eds., vol. 18, pp. 614-616, Oxford University Press, New York, 1999. (No reprints available.)

5611 Brown, L., Paths for flight: innovation and the origin of radar, in Innovation and the Development of Flight, R. D. Launius, ed., pp. 188-206, Texas A&M Press, College Station, Texas, 1999. (No reprints available.)

5588 Chambers, J. E., and G. W. Wetherill, Making the terrestrial planets: N-body integrations of planetary embryos in three dimensions, Icarus 136, 304-327, 1998. (No reprints available.)

5620 Constable, C. G., and C. L. Johnson, Anisotropic paleosecular variation models: implications for geomagnetic field observables, Phys. Earth Planet. Inter. 115, 35-51, 1999. (No reprints available.)

5582 de Blok, W. J. G., and S. S. McGaugh, Testing modified Newtonian dynamics with low surface brightness galaxies: rotation curve fits, Astrophys. J. 508, 132-140, 1998.

5626 Farquhar, J., E. Hauri, and J. Wang, New insights into carbon fluid chemistry and graphite precipitation: SIMS analysis of granulite facies graphite from Ponmudi, South India,Earth Planet. Sci. Lett. 171, 607-621, 1999.

5597 Gibson, B. K., S. M. G. Hughes, P. B. Stetson, W. L. Freedman, R. C. Kennicutt, Jr., J. R. Mould, F. Bresolin, L. Ferrarese, H. C. Ford, J. A. Graham, M. Han, P. Harding, J. G. Hoessel, J. P. Huchra, G. D. Illingworth, D. D. Kelson, L. M. Macri, B. F. Madore, R. L. Phelps, C. F. Prosser, A. Saha, S. Sakai, K. M. Sebo, N. A. Silbermann, and A. M.Turner, The Hubble Space Telescope key project on the extragalactic distance scale. XVII. The Cepheid distance to NGC 4725, Astrophys. J. 512, 48-64, 1999. (No reprints available.)

5638 Good, G. A., "Louis A. Bauer," in American National Biography, J. A. Garraty and M. C. Carnes, eds., vol. 2, pp. 349-351, Oxford University Press, New York, 1999. (No reprints available.)

5639 Good, G. A., "Sydney Chapman," in American National Biography, J. A. Garraty and M. C. Carnes, eds., vol. 4, pp. 715-717, Oxford University Press, New York, 1999. (No reprints available.)

5640 Good, G. A., "John A. Fleming," in American National Biography, J. A. Garraty and M. C. Carnes, eds., vol. 8, pp. 102-104, Oxford University Press, New York, 1999. (No reprints available.)

5641 Good, G. A., "Scott E. Forbush," in American National Biography, J. A. Garraty and M. C. Carnes, eds., vol. 8, pp. 213-215, Oxford University Press, New York, 1999. (No reprints available.)

5642 Good, G. A., "Ernest Harry Vestine," in American National Biography, J. A. Garraty and M. C. Carnes, eds., vol. 22, pp. 343-344, Oxford University Press, New York, 1999. (No reprints available.)

5609 Graham, J. A., L. Ferrarese, W. L. Freedman, R. C. Kennicutt, Jr., J. R. Mould, A. Saha, P. B. Stetson, B. F. Madore, F. Bresolin, H. C. Ford, B. K. Gibson, M. Han, J. G. Hoessel, J. Huchra, S. M. Hughes, G. D. Illingworth, D. D. Kelson, L. Macri, R. Phelps, S. Sakai, N. A. Silbermann, and A. Turner, The Hubble Space Telescope key project on the extragalactic distance scale. XX. The discovery of Cepheids in the Virgo Cluster galaxy NGC 4548,Astrophys. J. 516, 626-646, 1999.

5608 Hoppe, K. A., P. L. Koch, R. W. Carlson, and S. D. Webb, Tracking mammoths and mastodons: reconstruction of migratory behavior using strontium isotope ratios, Geology 27,439-442, 1999.

5603 Ishikawa, T., and F. Tera, Two isotopically distinct fluid components involved in the Mariana arc: evidence from Nb/B ratios and B, Sr, Nd, and Pb isotope systematics, Geology 27, 83-86, 1999.

5630 James, D. E., and I. S. Sacks, Cenozoic formation of the central Andes: a geophysical perspective, in Geology and Ore Deposits of the Central Andes, B. J. Skinner, ed., pp. 1-25, Special Publication No. 7, Society of Economic Geologists, Littleton, Colorado, 1999.

5605 Kelson, D. D., G. D. Illingworth, A. Saha, J. A. Graham, P. B. Stetson, W. L. Freedman, R. C. Kennicutt, J. R. Mould, L. Ferrarese, J. P. Huchra, B. F. Madore, C. F. Prosser, F. Bresolin, H. C. Ford, B. K. Gibson, J. G. Hoessel, S. M. G. Hughes, L. M. Macri, S. Sakai, and N. A. Silbermann, The Hubble Space Telescope key project on the extragalactic distance scale. XIX. The discovery of Cepheids in and a new distance to NGC 3198, Astrophys. J. 514,614-636, 1999.

5592 Kortenkamp, S., Amid the swirl of interplanetary dust, Mercury 27 (no. 6), 7-11, 1998. (No reprints available.)

5634 Kulkarni, S. R., S. G. Djorgovski, S. C. Odewahn, J. S. Bloom, R. R. Gal, C. D. Koresko, F. A. Harrison, L. M. Lubin, L. Armus, R. Sari, G. D. Illingworth, D. D. Kelson, D. K. Magee, P. G. van Dokkum, D. A. Frail, J. S. Mulchaey, M. A. Malkan, I. S. McClean, H. I. Teplitz, D. Koerner, D. Kirkpatrick, N. Kobayashi, I.-A. Yadigaroglu, J. Halpern, T. Piran, R. W. Goodrich, F. H. Chaffee, M. Feroci, and E. Costa, The afterglow, redshift and extreme energetics of the g-ray burst of 23 January 1999, Nature 398, 389-394, 1999. (No reprints available.)

5590 Lassiter, J. C., and E. H. Hauri, Osmium-isotope variations in Hawaiian lavas: evidence for recycled oceanic lithosphere in the Hawaiian plume, Earth Planet. Sci. Lett. 164, 483-496, 1998.

5616 Macri, L. M., J. P. Huchra, P. B. Stetson, N. A. Silbermann, W. L. Freedman, R. C. Kennicutt, J. R. Mould, B. F. Madore, F. Bresolin, L. Ferrarese, H. C. Ford, J. A. Graham, B. K. Gibson, M. Han, P. Harding, R. J. Hill, J. G. Hoessel, S. M. G. Hughes, D. D. Kelson, G. D. Illingworth, R. L. Phelps, C. F. Prosser, D. M. Rawson, A. Saha, S. Sakai, and A. Turner, The extragalactic distance scale key project. XVIII. The discovery of Cepheids and a new distance to NGC 4535 using the Hubble Space TelescopeAstrophys. J. 521, 155-178, 1999. (No reprints available.)

5606 Madore, B. F., W. L. Freedman, N. Silbermann, P. Harding, J. Huchra, J. R. Mould, J. A. Graham, L. Ferrarese, B. K. Gibson, M. Han, J. G. Hoessel, S. M. Hughes, G. D. Illingworth, R. Phelps, S. Sakai, and P. Stetson, The Hubble Space Telescope key project on the extragalactic distance scale. XV. A Cepheid distance to the Fornax Cluster and its implications, Astrophys. J. 515, 29-41, 1999. (No reprints available.)

5581 Minarik, W. G., Complications for carbonate melt mobility due to the presence of an immiscible silicate melt, J. Petrol. 39, 1965-1973, 1998. (No reprints available.)

5589 Mukasa, S. B., A. H. Wilson, and R. W. Carlson, A multielement geochronologic study of the Great Dyke, Zimbabwe: significance of the robust and reset ages, Earth Planet. Sci. Lett. 164, 353-369, 1998.

5612 Pearson, D. G., S. B. Shirey, G. P. Bulanova, R. W. Carlson, and H. J. Milledge, Re-Os isotope measurements of single sulfide inclusions in a Siberian diamond and its nitrogen aggregation systematics, Geochim. Cosmochim. Acta 63, 703-711, 1999.

5645 Prosser, C. F., R. C. Kennicutt, Jr., F. Bresolin, A. Saha, S. Sakai, W. L. Freedman, J. R. Mould, L. Ferrarese, H. C. Ford, B. K. Gibson, J. A. Graham, J. G. Hoessel, J. P. Huchra, S. M. Hughes, G. D. Illingworth, D. D. Kelson, L. Macri, B. F. Madore, N. A. Silbermann, and P. B. Stetson, The Hubble Space Telescope key project on the extragalactic distance scale. XXII. The discovery of Cepheids in NGC 1326A, Astrophys. J. 525, 80-104, 1999. (No reprints available.)

5631 Regan, M. W., and J. S. Mulchaey, Using Hubble Space Telescope imaging of nuclear dust morphology to rule out bars fueling Seyfert nuclei, Astron. J. 117, 2676-2694, 1999.

5602 Rubin, V. C., Recollections after fifty years: Haverford AAS meeting, December 1950, in The American Astronomical Society's First Century, D. H. DeVorkin, ed., pp. 90-93, American Astronomical Society, Washington, D.C., 1999. (No reprints available.)

5628 Rubin, V. C., The trials and triumphs of American women in science, AWIS Magazine (Association for Women in Science) 28 (no. 2), 34-36, 1999. (No reprints available.)

5617 Rubin, V. C., A. H. Waterman, and J. D. P. Kenney, Kinematic disturbances in optical rotation curves among 89 Virgo disk galaxies, Astron. J. 118, 236-260, 1999.

5586 Rümpker, G., and P. G. Silver, Apparent shear-wave splitting parameters in the presence of vertically varying anisotropy, Geophys. J. Int. 135, 790-800, 1998.

5613 Rydelek, P. A., and I. S. Sacks, Large earthquake occurrence affected by small stress changes, Bull. Seismol. Soc. Am. 89, 822-828, 1999.

5627 Saal, A., S. R. Hart, N. Shimizu, E. H. Hauri, and G. D. Layne, Pb isotopic variability in melt inclusions from oceanic island basalts, Polynesia, Science 282, 1481-1484, 1998.

5643 Sakai, S., L. Ferrarese, R. C. Kennicutt, J. A. Graham, N. A. Silbermann, J. R. Mould, W. L. Freedman, F. Bresolin, H. C. Ford, B. K. Gibson, M. Han, P. Harding, J. G. Hoessel, J. P. Huchra, S. M. Hughes, G. D. Illingworth, D. Kelson, L. Macri, B. F. Madore, R. L. Phelps, A. Saha, K. M. Sebo, P. B. Stetson, and A. Turner, The Hubble Space Telescope extragalactic distance scale key project. XXIII. The discovery of Cepheids in NGC 3319, Astrophys. J. 523,540-558, 1999. (No reprints available.)

5623 Schweizer, F., Overview: low-z observations of interacting and merging galaxies, inGalaxy Interactions at Low and High Redshift, J. E. Barnes and D. B. Sanders, eds., pp. 1-10, International Astronomical Union Symposium 186, Kluwer, Dordrecht, 1999.

5604 Silbermann, N. A., P. Harding, L. Ferrarese, P. B. Stetson, B. F. Madore, R. C. Kennicutt, Jr., W. L. Freedman, J. R. Mould, F. Bresolin, H. Ford, B. K. Gibson, J. A. Graham, M. Han, J.G. Hoessel, R. J. Hill, J. Huchra, S. M. G. Hughes, G. D. Illingworth, D. Kelson, L. Macri, R. Phelps, D. Rawson, S. Sakai, and A. Turner, The Hubble Space Telescope key project on the extragalactic distance scale. XIV. The Cepheids in NGC 1365, Astrophys. J. 515, 1-28, 1999. (No reprints available.)

5629 Silver, P. G., Y. Bock, D. C. Agnew, T. Henyey, A. T. Linde, T. V. McEvilly, J.-B. Minster, B. A. Romanowicz, I. S. Sacks, R. B. Smith, S. C. Solomon, and S. A. Stein, A plate boundary observatory, IRIS Newsletter 16 (no. 2), 3-9, 1998. (No reprints available.)

5644 Silver, P. G., D. Mainprice, W. B. Ismail, A. Tommasi, and G. Barruol, Mantle structural geology from seismic anisotropy, in Mantle Petrology: Field Observations and High Pressure Experimentation: A Tribute to Francis R. (Joe) Boyd, Y. Fei, C. M. Bertka and B. O. Mysen, eds., pp. 79-103, Special Publication No. 6, Geochemical Society, Houston, 1999.

5615 Smith, D. E., M. T. Zuber, S. C. Solomon, R. J. Phillips, J. W. Head, J. B. Garvin, W. B. Banerdt, D. O. Muhleman, G. H. Pettengill, G. A. Neumann, F. G. Lemoine, J. B. Abshire, O. Aharonson, C. D. Brown, S. A. Hauck, A. B. Ivanov, P. J. McGovern, H. J. Zwally, and T. C. Duxbury, The global topography of Mars and implications for surface evolution, Science 284,1495-1503, 1999.

5633 Solomon, S. C., M. A. Bullock, and D. H. Grinspoon, Climate change as a regulator of tectonics on Venus, Science 286, 87-90, 1999.

5595 Stacey, F. D., Equations-of-state for close-packed materials at high pressures: geophysical evidence, J. Phys.: Condens. Matter 11, 575-582, 1999.

5594 Stecher, O., R. W. Carlson, and B. Gunnarsson, Torfajökull: a radiogenic end-member of the Iceland Pb-isotopic array, Earth Planet. Sci. Lett. 165, 117-127, 1999.

5584 Stetson, P. B., A. Saha, L. Ferrarese, D. M. Rawson, H. C. Ford, W. L. Freedman, B. K. Gibson, J. A. Graham, P. Harding, M. Han, R. J. Hill, J. G. Hoessel, J. P. Huchra, S. M. G. Hughes, G. D. Illingworth, D. D. Kelson, R. C. Kennicutt, Jr., B. F. Madore, J. R. Mould, R. L. Phelps, S. Sakai, N. A. Silbermann, and A. Turner, The extragalactic distance scale key project. XVI. Cepheid variables in an inner field of M101, Astrophys. J. 508, 491-517, 1998. (No reprints available.)

5618 Tera, F., and R. W. Carlson, Assessment of the Pb-Pb and U-Pb chronometry of the early solar system, Geochim. Cosmochim. Acta 63, 1877-1889, 1999.

5607 Tomascak, P. B., R. W. Carlson, and S. B. Shirey, Accurate and precise determination of Li isotopic compositions by multi-collector sector ICP-MS, Chem. Geol. 158, 145-154, 1999.

5614 Tomascak, P. B., F. Tera, R. T. Helz, and R. J. Walker, The absence of lithium isotope fractionation during basalt differentiation: new measurements by multicollector sector ICP-MS, Geochim. Cosmochim. Acta 63, 907-910, 1999.

5637 Tran, K. H., D. D. Kelson, P. G. van Dokkum, M. Franx, G. D. Illingworth, and D. Magee, The velocity dispersion of MS 1054–03: a massive galaxy cluster at high redshift, Astrophys. J. 522, 39-45, 1999. (No reprints available.)

5636 van Dokkum, P. G., M. Franx, D. Fabricant, D. D. Kelson, and G. D. Illingworth, A high merger fraction in the rich cluster MS 1054–03 at z = 0.83: direct evidence for hierarchical formation of massive galaxies, Astrophys. J. (Lett.) 520, L95-L98, 1999. (No reprints available.)

5598 van Geen, A., N. J. Valette-Silver, S. N. Luoma, C. C. Fuller, M. Baskaran, F. Tera, and J. Klein, Constraints on the sedimentation history of San Francisco Bay from 14C and 10Be,Mar. Chem. 64, 29-38, 1999. (No reprints available.)

5601 Vanhala, H. A. T., The triggered origin of the solar system, Proc. Indian Acad. Sci. (Earth Planet. Sci.) 107, 391-400, 1998.

5583 Vanhala, H. A. T., and A. G. W. Cameron, Numerical simulations of triggered star formation. I. Collapse of dense molecular cloud cores, Astrophys. J. 508, 291-307, 1998.

5596 Widom, E., K. A. Hoernle, S. B. Shirey, and H.-U. Schmincke, Os isotope systematics in the Canary Islands and Madeira: lithospheric contamination and mantle plume signatures, J. Petrol. 40, 279-296, 1999. (No reprints available.)

5585 Wolfe, C. J., Prospecting for hotspot roots, Nature 396, 212-213, 1998.

5599 Wolfe, C. J., Number of women faculty in the geosciences increasing, but slowly, Eos, Trans. Am. Geophys. Union 80 (no. 12), 133 & 136, 1999.

5600 Wolfe, C. J., F. L. Vernon, III, and A. Al-Amri, Shear-wave splitting across western Saudi Arabia: the pattern of upper mantle anisotropy at a Proterozoic shield, Geophys. Res. Lett. 26, 779-782, 1999.

5591 Zuber, M. T., D. E. Smith, R. J. Phillips, S. C. Solomon, W. B. Banerdt, G. A. Neumann, and O. Aharonson, Shape of the northern hemisphere of Mars from the Mars Orbiter Laser Altimeter (MOLA), Geophys. Res. Lett. 25, 4393-4396, 1998.

5593 Zuber, M. T., D. E. Smith, S. C. Solomon, J. B. Abshire, R. S. Afzal, O. Aharonson, K. Fishbaugh, P. G. Ford, H. V. Frey, J. B. Garvin, J. W. Head, A. B. Ivanov, C. L. Johnson, D. O. Muhleman, G. A. Neumann, G. H. Pettengill, R. J. Phillips, X. Sun, H. J. Zwally, W. B. Banerdt, and T. C. Duxbury, Observations of the north polar region of Mars from the Mars Orbiter Laser Altimeter, Science 282, 2053-2060, 1998.