000 00261nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a370.15
_bGOO
100 _aGood, Thomas L.
245 _aLooking in classrooms
260 _bHarper & Row
_aNew York
_c1973
999 _c139407
_d139407