000 00329nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a74388
082 _a370.15
_bCRO
100 _aCROW, Lester D.
245 _aEducational psychology
260 _aNew York
_bMaerican Book Company
_c1948
300 _axiv, 599 p.
942 _cS
999 _c62175
_d62175