The planet Venus: past, present, and future.
Subtitle: Papers read at the Autumn General Meeting, Nov. 14, 1968, in the Symposium commemorating the Society's participation in observations of a Transit of Venus, June 3, 1769.
Published: 1969
Place of publication: [Philadelphia]
Language: eng
Number of pages: 246
Subjects: Venus (Planet)
Notes: Reprinted from the Proceedings of the American Philosophical Society, vol. 113, no. 3, June, 1969.  Includes bibliography.