TY  - BOOK
AU  - Commoner,Barry
TI  - The closing circle: nature, man, and technology
SN  - 039442350X
AV  - GF75 .C65
U1  - 577.29COM 20
PY  - 1971///
CY  - New York
PB  - Knopf
KW  - Nature
KW  - Effect of human beings on
KW  - Pollution
KW  - Ecology
KW  - Environment
KW  - Technology
KW  - Contaminación
KW  - Poluicao
KW  - larpcal
KW  - Pure sciences
N1  - Includes bibliographical references
ER  -