TY  - BOOK
AU  - Ingalls,Robert P.
TI  - Mental Retardation
SN  - 0471427160
AV  - MED RC570 .I4
PY  - 1978///
CY  - New York
PB  - Wiley
KW  - Mental retardation
KW  - People with mental disabilities
KW  - Children with mental disabilities
KW  - Education of mentally retarded
N1  - Includes index
ER  -