TY  - BOOK
AU  - Irwin,Orvis C.
TI  - Communication variables of cerebral palsied and mentally retarded children
SN  - 0398023220
AV  - RJ496.C4 I78
U1  - 618.9/28/55 
PY  - 1972///]
CY  - Springfield, Ill.
PB  - C. C. Thomas
KW  - Cerebral palsied children
KW  - Local
KW  - Communicative disorders in children
N1  - Bibliography: p. 359-365
ER  -