Gravitation and relativity
edited by Hong-yee Chiu and William F. Hoffmann.
- New York W.A. Benjamin 1964.
- xxxv, 353 p. illus., maps. 24 cm.
- Physical investigations of the universe .
Most of the chapters are derived from lectures presented at a seminar at the NASA Goddard Institute for Space Studies, N.Y.C., 1961-62.