00298nam a2200109Ia 4500082002200000100001800022245007000040260004100110300002700151500000500178700000500183  a331.8801bP822.TT  aPool, Michael  aTheories of trade unionism; a sociology of industrial relationsb  aLondonbRoutledge & Kegan Paulc1981  axi, 265p. Index, Bibl.  a  a