TY  - BOOK
AU  - Sterner,Richard
TI  - Social and economic conditions of the mentally retarded in selected countries / 
PY  - 1976///
CY  - New York : 
PB  - International League of Societies for the Mentally Han dicapped, 
KW  - Economic conditions
KW  - Social conditions
N1  -  Includes bibliographical refernces (p.57-58)
ER  -