00392nam a2200121Ia 4500008004100000040001700041082002300058100002300081245008000104260004800184300001600232650002200248190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta333.72bO85G  aOstrom, Elinor, ed 0aGoverning the commonsbthe evolution of institutions for collective actions  aCambridgebCambridge University Pressc2008  axviii,280p.  aNATURAL RESOURCES