000 00291nam a2200109Ia 4500
100 _aBerdine, William H. & Cegelka, Patricia T.
942 _cBK
245 _aTeaching the trainable retarded
260 _aCharles E Merrill, Columbus
_c1980
082 _a371.9Ber/Ceg
300 _avi,305p figs.
999 _c14120
_d14120