000 00313nam a2200121Ia 4500
001 82357
008 170722s9999 xx 000 0 und d
100 _aHicks, Hanne J.
245 _aEducational supervision in principle and practice /
260 _c1960.
490 _aDouglass series in education
942 _cGEN
999 _c55602
_d55602