00850nam a2200253Ia 4500 185285 BIBL 20160527190843.0 821209s1982 ohuaf b 00100 eng 81086559 //r84 0675098319 EVLG RC570 .M4164 1982 616.85/88 19 616.85 M549 Mental retardation, from categories to people [edited by] Patricia T. Cegelka, Herbert J. Prehm. Columbus, Ohio Merrill c1982. xviii, 419 p., [1] leaf of plates ill. 26 cm. Includes bibliographies and indexes. Mental Retardation Local 135273 Mentally handicapped Services for. Local 135283 Cegelka, Patricia Thomas. Local 71143 Prehm, Herbert J. Local 153403 141737 141737 0 0 0 616_850000000000000_M549 0 evl 127931 10 10 1 2016-05-27 273424 0 616.85 M549 80000001777807 2016-05-27 00:00:00 r:185285 z:NCC:D 6