Wheeler, John Archibald, 1911- A journey into gravity and spacetime / John Archibald Wheeler. - New York : Scientific American Library : Distributed by W. H. Freeman and Co., c1990. - xii, 257 p. : ill. (some col.) ; 25 cm. - Scientific American Library series ; no. 31 . Includes index. ISBN: 0716750163 Subjects--Topical Terms: Gravity.Space and time. LC Class. No.: QB334 / .W49 1990 Dewey Class. No.: 531/.14