TY  - BOOK
AU  - Hardin,Garrett James
AU  - Baden,John
TI  - Managing the commons
SN  - 0716704765
AV  - HC79.E5 M347
U1  - 301.31 
PY  - 1977///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Environmental policy
N1  - Includes bibliographical references
ER  -