Van Ballegooijen, A. A. "Electric Currents in the Solar Corona and the Existence of 



Magnetostatic Equilibrium." Astrophvsical Journal 298 (1985): 421. 

 "On the Surface Response of Solar Giant Cells.' 1 Astrophvsical Journal 304 



(1986): 828. 

 Van Speybroeck, L. V.; McKinnon, P. J.; Murray, S. S.; Primini, F. A.; Schwartz, 



D. A.; Zombeck, M. V.; Dailey, C. C; Reily, J. C; Weisskopf, M. C; Wyman, 



C. L.; Glenn, P.; and Slomba, A. "Correspondence between AXAF TMA X-ray 



Performance and Models Based Upon Mechanical and Visible Light Measurements." 



In X-Rav Instrumentation in Astronomy, ed. J. L. Culhane, SPIE vol. 597, p. 



20. Bellingham, Washington: Proceedings of SPIE - The International Society for 



Optical Engineering, 1985. 

 Vessot, R. F. C; Mattison, E. M.; Klepczynski, W. J.; Silvera, I. F.; Godfried, H. P.; 



and Walsworth, R. L. "Results of Two Years of Hydrogen Maser Clock Operation at 



the U.S. Naval Observatory." In Proceedings of the 17th Annual Precise Time and 



Time Interval Meeting , p. 413. Washington, D.C.: United States Naval 



Observatory, 1985. 

 Vessot, R. F. C; Mattison, E. M.; Walsworth, R. L.; Silvera, I. F.; Godfried, H. P.; and 



Agosta, C, C. "A Hydrogen Maser at Temperatures below IK." In Proceedings of 



the 40th Annual Symposium on Frequency Control, p. 413. Philadelphia: Institute 



of Electrical and Electronics Engineers, 1986. 

 Vrtilek, S. D.; Helfand, D. J.; Halpern, J. P.; Kahn, S. M.; and Seward, F. D. "X- 



Ray Emission Lines from Three Galactic Bulge Sources." Astrophvsical Journal 



308 (1986): 644. 

 Vrtilek, S. D.; Kahn, S. M.; Grindlay, J. E.; Helfand, D. J.; and Seward, F. D. "Spectral 



Variability of Cygnus X-2: Structure in the Circumsource Material." Astrophvsical 



Journal 307 (1986): 698. 

 Walsworth, R. L.; Silvera, I. F.; Godfried, H. P.; Agosta, C. C; Vessot, R. F. C; and 



Mattison, E. M. "A Hydrogen Maser at Temperatures below IK." Physical Review 



A (Rapid Communication) 34(3) (1986): 2550. 

 Walter, F. M., and Myers, P. C. "Naked T Tauri Stars and Post T Tauri Stars." 



In Proceedings of the Fourth Cambridge Workshop on Cool Stars. Stellar Systems . 



and the Sun , eds. D. M. Gibson and M. Zeilik, p. 50. New York: Springer- Verlag, 



1986. 

 Weekes, T. C. "The Gamma-Ray Universe: Taking a Long, Hard Look." In Infinite 



Vistas: New Tools for Astronomy , eds. J. Cornell and J. Carr, p. 231. New York: 



Charles Scribner's Sons, 1985. 

 . "Very High Energy Gamma-Ray Sources." The Phvsics Teacher 24 (1986): 



20. 

 Welther, B. L. "Shapley's Standard Candles." Journal of the American Association of 



Variable Star Observers 14(2) (1985): 77. 

 . "Shapley in Washington: A Scientist Among Politicians." Journal of the 



American Association of Variable Star Observers 14(2) (1985): 76. 

 Wheeler, J. C, and Levreault, R. "The Peculiar Type I Supernova in NGC 991." 



Astrophvsical Journal (Letters) 294 (1985): L17. 

 Whipple, F. L. The Mystery of Comets. 276 pp. Washington, D.C.: Smithsonian Press, 



1985. 



I3 6 



