TY - BOOK AU - Cratty,Bryant J. TI - Motor activity and the education of retardates T2 - Health education, physical education, and recreation series SN - 0812100506 AV - LC4661 .C7 U1 - 371.92 PY - 1969/// CY - Philadelphia PB - Lea & Febiger KW - Children with mental disabilities KW - Education KW - Perceptual-motor learning N1 - Includes bibliographies ER -