TY  - BOOK
AU  - Ostrom,Elinor
TI  - Governing the commons: the evolution of institutions for collective action 
SN  - 0521371015 (hardback)
U1  - 333.2 OST 20
PY  - 1990///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Commons
KW  - Social choice
ER  -