000 00310nam a2200121Ia 4500
001 112296
008 170722s9999 xx 000 0 und d
100 _aBlalock, Herbert M.
245 _aIntroduction to social research /
260 _c1970.
490 _aPrentice-hall general sociology series
942 _cGEN
999 _c78493
_d78493