Cohen, Nathan Gravity's lens: views of the new cosmology/ Nathan Cohen. - New York: Wiley, c1988. - xvii, 237 p., [8] p. of plates: ill. (some col.); 25 cm. - The Wiley science editions . Includes index. ISBN: 0471632821 LCCN: 88014353 Subjects--Topical Terms: Cosmology.Gravitational lenses.Radio astronomy. Dewey Class. No.: 523.1 / C678g