000 00242nam a22000977a 4500
082 _a519.5
_bBLA
100 _aBlalock, Hubert M
245 _aSocial Statistics /
_cby Hubert M Blalock
260 _aLondon :
_bMcGraw Hill,
_c1960.
942 _cBK
999 _c499461
_d499461