TY  - BOOK
AU  - Piburn,Michael D.
TI  - The environment: a human crisis 
SN  - 0810459051
PY  - 1974///
CY  - Rochelle Park, New Jersey
PB  - Hayden Book
KW  - Human ecology
KW  - Man
KW  - influence on nature
KW  - Environmental policy
ER  -