TY  - BOOK
AU  - Krishef,Curtis H.
TI  - An introduction to mental retardation
SN  - 0398047480
AV  - HV3006.A4 K74 1983
U1  - 362.3/09 19
PY  - 1983///
CY  - Springfield, Ill.
PB  - Thomas
KW  - Mentally handicapped
KW  - United States
KW  - History
KW  - Local
N1  - Includes bibliographies and indexes
ER  -