000 00304nam a2200121Ia 4500
100 _aSchiefelbusch, Richard L.(ed)
020 _a0-8391-0629-7
942 _cBK
245 _aLanguage of the mentally retarded
260 _aUniversity Park Press, Tokyo
_c1972
082 _a616.855 Sch
300 _axxii,252
999 _c65092
_d65092