The Biosphere. - San Francisco, W. H. Freeman [1970] "A Scientific American book." "Originally appeared as articles in the September, 1970 issue of Scientific American." Bibliography: p. 129-130. ISBN: 0716709465 LCCN: 78140849 Subjects--Topical Terms: Biosphere. LC Class. No.: QH311 / .B55 Dewey Class. No.: 574/.08