000 00317nam a2200121Ia 4500
008 190709s9999 xx 000 0 und d
082 _a370.78 B61
100 _aBarnes, John B
245 0 _aEducational research for classroom teachers
260 _aNew York
_bG P Putnam's Sons
_c1960
300 _axvi,229
942 _cBK
999 _c2352
_d2352