Berman, Louis.
Exploring the cosmos / Louis Berman, J. C. Evans. - 2nd ed. - Boston : Little, Brown, c1977. - x, 435 p. : ill. ; 26 cm.
Includes index.
Bibliography: p. 409-412.
76052135
Astronomy.
QB45 / .B47 1977
523.1 / BEE
Exploring the cosmos / Louis Berman, J. C. Evans. - 2nd ed. - Boston : Little, Brown, c1977. - x, 435 p. : ill. ; 26 cm.
Includes index.
Bibliography: p. 409-412.
76052135
Astronomy.
QB45 / .B47 1977
523.1 / BEE