000 00310nam a2200121Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a370.15
100 _aRichard J. Muller
245 0 _aPrinciples of Classroom Learning and perception
260 _aNewyork
_bPraegei pub
_c1974
942 _cPR
999 _c38444
_d38444