TY  - BOOK
AU  - Franke,Robert G.
AU  - 
TI  - Man and the changing environment
SN  - 0030847141
U1  - 574 23
PY  - 1975///
CY  - New York : 
PB  - Holt, Rinehart and Winston , 
KW  - Biology. ; Ecology
ER  -