The Motion, Evolution of Orbits, and Origin of Comets, Symposium No. 45.
New York: D. Reidel Publishing Company, 1972. 8vo. 521 pp. DJ worn at head and foot of spine, corners, few nicks, back DJ torn and creased. Water stains to bottom of front and back cover. Proceedings of IAU Symposium in August 1970. Fine in Very Good dj Hard Cover 0387911030 (Item ID: 32466)