TY  - BOOK
AU  - Irwin,John V.
AU  - Marge Michael
TI  - Principles of childhood language disabilities
SN  - 0390477680
AV  - WM475 
PY  - 1972///
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Communicative disorders in children
KW  - Language disorders
KW  - In infancy and childhood
N1  - Includes bibliographies
ER  -