00451nam a2200169Ia 4500082002100000100001900021245003700040260003000077300001500107500000500122690000600127700000500133952010200138964001700240921000900257999001500266  a330.159bC734.EC  aCommons, J. R.  aEconomics of collective actionb  aNew YorkbMacmillanc1950  axii, 414p.  a  a   a  00104070aISIbISId1998-06-15l0o330.159 C734.ECpDP4662r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a2582  c2582d2582