TY  - BOOK
AU  - Ehrlich,Paul R.
AU  - Holm,Richard W.
AU  - Brown,Irene L.
TI  - Biology and society
SN  - 0070191476
U1  - 574 
PY  - 1976///
CY  - New York
PB  - McGraw-Hill
KW  - Biology
KW  - Social aspects
N1  - Includes bibliographies and index
ER  -