TY  - BOOK
AU  - Payne, James S.
AU  - Patton,James R.
TI  -  Mental retardation / 
SN  - 0675080274
U1  - 616.858808 PAY 
PY  - 1981///
CY  - Columbus, Ohio
PB  - Merrill
KW  - 	 Intellectual disability.
KW  - Education of Intellectually Disabled
N1  - Includes bibliographical references and index
ER  -