000			00375nam a2200109Ia 4500
008			200527s9999||||xx |||||||||||||| ||und||
082			_a371.92 SCH
100			_aSchiefalbusch, Richard L. , Copeland, Ross H. , Smith, James O.
245		0	_aLanguage and Mental Retardation: Empirical and Conceptual Considerations
264			_bHolt, Rinehart and Winston _c1967
300			_a208p.
999			_c15241 _d15241