000 00327nam a2200121Ia 4500
001 82089
008 170722s9999 xx 000 0 und d
100 _aBall, Thomas S.
245 _aItard, Seguin and kepart :
_b sensory education-a learning interpretation /
260 _c1971.
490 _aSlow learner series
942 _cGEN
999 _c87375
_d87375