000 00292nam a2200121Ia 4500
008 220809s9999 xx 000 0 und d
040 _cAPI-LIB
082 _a371 M9847s 1954
245 0 _aSuccessful teaching (McGraw-Hll Series in education
260 _c1954
942 _cBK
999 _c27101
_d27101