TY  - BOOK
AU  - Penna,Anthony N.
TI  - Nature's bounty: historical and modern environmental perspectives 
SN  - 0765601877 :
U1  - 333.713097 
PY  - 1999///
CY  - Armonk, N.Y.
PB  - M. E. Sharpe
KW  - Nature
KW  - Effect of human beings on
KW  - Urban pollution
KW  - United States
KW  - Environmental quality
KW  - Ecology
KW  - Government policy
KW  - Medical policy
KW  - Environmental conditions
KW  - History
N1  - Includes index
ER  -