TY  - BOOK
AU  - Ward, Barbara
AU  - Dubos, Rene
TI  - Only One Earth : The Care and Maintenance of a Small Planet
U1  - 304.2 
PY  - 1972///
CY  - Middlesex
PB  - Penguin Books
KW  - Social Sciences
KW  - Factors affecting social behavior
ER  -