000 00287nam a2200121Ia 4500
008 160710s1949 xx 000 0 und d
082 _a658 B 723 I
100 _aBLUM ,MILTON L.
245 _aINDUSTRIAL PSYCHOLOGY
260 _bHARPER & BROTHERS
_c1949
300 _a518
942 _2ddc
_cB
999 _c9447
_d9447