000 00290nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aCoop and White
245 0 _aPsychological conceps in the class room
260 _bHarper and Row
260 _c1974
365 _b10.95
942 _cBK
999 _c205966
_d205966