000 00325nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aHewett,Frank M
245 _aEducation of exceptional learners
260 _aLondon
260 _bAllyn
260 _c1985
300 _a421p.
650 _aEducation
763 _a10716
999 _c48555
_d48555