00341nam a2200145 a 450000500170000002000180001708200160003510000210005124500210007225000120009326000280010530000240013350000190015770000190017620251203112040.0  a9780415340762  a300.72bMCN  aMcneill, Patrick  aResearch methods  a3rd ed.  aLondonbRoutledgec1990  ax, 214p.c20cm.bPB  aincludes index  aChapman, Steve