TY  - BOOK
AU  - Heck,Arch Oliver
TI  - The education of exceptional children: its challenge to teachers, parents, and laymen 
T2  - McGraw-Hill series in education
U1  - 371.92 
PY  - 1953///
CY  - New York, London
PB  - McGraw-Hill Book Company, inc.
KW  - Education
KW  - Ability
ER  -