TY  - BOOK
AU  - Thorne,Gareth D.
TI  - Understanding the Mentally Retarded,  
U1  - 371.92  
PY  - 1965///
CY  - New York
PB  - McGraw - Hill Book
KW  - Special Education
KW  - Students With Mental Disabilities
N1  - Includes bibliography and index
ER  -