TY  - BOOK
AU  - Ostrom Elinor
TI  - Rules games and common pool resources
SN  - 0472095463
U1  - X:27-8, N4 
PY  - 1994///
CY  - Ann Arbor 
PB  - University of Michigan Press      
KW  -  Economics
KW  - Resource
ER  -