000 00279nam a2200109Ia 4500
001 79383
008 170722s9999 xx 000 0 und d
100 _aSarason, Seymourb
245 _aPreparation of teachers
_bAn unstudied problem in education /
260 _c1962.
942 _cGEN
999 _c60704
_d60704