TY  - BOOK
AU  - Smith,Robert M.
TI  - An Introduction to Mental Retardation
SN  - 0070589038
U1  - 616.8588 22
PY  - 1971///
CY  - New York
PB  - McGraw-Hill
KW  - People with mental disabilities
N1  - Includes bibliographical references and index
ER  -