000			00409cam a22001337a 4500
008			180718b1965 xxu||||| |||| 00| 0 eng d
082			_aF1 Ol18
100			_aOlson, Mancur
245			_aLogic of collective action: public goods and the theory of groups _cby Mancur Olson
260			_aCambridge _bHarvard University Press _c1965
300			_ax, 176p
650			_aSocial interaction
650			_aSocial groups
999			_c425976 _d425976