00305nam a2200121 a 450000500170000002000150001708200170003210000180004924500490006725000110011626000350012730000210016220251203091611.0  a0415076072  a300.72,bsay  aSayer, Andrew  aMethod in social science: a realist approach  a2nd ed  aLoNew Delhion: Routledgec1992  axii, 314p.c22cm