TY  - BOOK
AU  - Patton,James R.
AU  - 
AU  - Payne,James S.
TI  - Mental retardation
SN  - 0675080274
AV  - RC570 .M385 1986
U1  - 362.3 19
PY  - 1981///
CY  - Columbus, Ohio
PB  - C.E. Merrill Pub. Co.
KW  - Mental Retardation
KW  - Local
KW  - Mental deficiency
N1  - Includes indexes; Bibliography : p. 427-457
ER  -