000 00260nam a2200109Ia 4500
008 201217s9999 xx 000 0 und d
100 _aGeorge, G.S.
245 0 _aSupervision in action
260 _aReston, Vig.
_bReston Publishing
300 _a354
942 _cBK
999 _c7731
_d7731