TY  - BOOK
AU  - Franke Robert G
AU  - Franke Dorothy N
TI  - Man and the changing environment
SN  - 0-03-084714-1
U1  - 599.95 
PY  - 1975///
CY  - N Y
PB  - Rinehart & Winston
KW  - Biology
KW  - Ecology
ER  -