000 00310nam a2200097Ia 4500
008 130123s9999 xx 000 0 und d
082 _a ROB
100 _aRoberts, Roy. W.
245 _aVocational & Practical Arts Education : History, Development & Principles 2 nd. ed.
260 _aNew York
_bHarper & Row
_c1965
999 _c83692
_d83692