TY  - BOOK
AU  - Ostrom Elinor
TI  - Governing the commons :  the evolution of institutions for collective action
T2  - The political economy of institutions and decisions
U1  - W:3(X9S:27), N0 
PY  - 1990///
CY  - Cambridge
PB  - Cambridge Univ. Press     
KW  - POLITICAL SCIENCE
N1  - Rep. of 1990
ER  -