TY  - GEN
AU  - Commoner Barry
TI  - The closing circle : : nature, man, and technology
AV  - QH541  
PY  - 1972///
CY  - New York, 
PB  - Knopf, 
KW  - Nature
KW  - Effect of human beings on
N1  - Includes bibliographical references
ER  -