TY  - BOOK
AU  -  Richards B. W.
TI  - Mental subnormality: modern trends in research
SN  - 0345567890X
U1  - WM300 
PY  - 1970///
CY  - London
PB  - Pitman Medical and Scientific Publishing
KW  - Research
KW  - Mental Disorders
KW  - Mental Retardation
N2  -  Mental Retardation, Mental Disorders, Research
ER  -