000 00306nam a2200109Ia 4500
008 220510s1967 xx 000 0 und d
041 _aeng
082 _a371.2013
_bPET
100 _aPeters,David A,
_9777518
245 _aThe Principles and Practice of Supervision
260 _aLondon:
_bPergamon Press,
_c1967
999 _c527727
_d527727