00333nam a2200133 a 450000500170000002000150001708200190003210000230005124500220007425000060009626000390010230000220014149000360016320251203091916.0  a007Y661758  a519.5,bD, bla  aBlalock, Hubert M.  aSocial statistics  aa  aAucklaNew DelhibMcGraw-Hillc1979  axii,625p.c23 cm.  aMcGraw-Hill series in sociology