TY  - BOOK
AU  - Ward, Barbara
AU  - Dubos, Rene
TI  - Only One Earth
SN  - 345032209150
AV  - GF41.J3 
CY  - New York
KW  -  Biogeography
KW  -  Hydrobiology
KW  - Geography
KW  - Human ecology
ER  -