TY  - BOOK
AU  - Scientific American.
TI  - The Biosphere
SN  - 0716709457 (pbk.)
PY  - 1970///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Biosphere
N1  - "A Scientific American book."; "Originally appeared as articles in the September, 1970 issue of Scientific American."; Includes index; Includes bibliographical references
ER  -