TY  - BOOK
AU  - Gibson David
TI  - Down's syndrome: the psychology of mongolism 
SN  - 0521219140 :
AV  - WS107 
U1  - 616.8/58842 
PY  - 1978///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Down syndrome
N1  - Includes index; Bibliography: p. 328-360
ER  -