TY  - BOOK
AU  - Fraser,William I.
ED  - International Association for the Scientific Study of Mental Deficiency. Congress
ED  - Organización Mundial de la Salud
TI  - Key issues in mental retardation research: proceedings of the 8th World Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD) 
SN  - 0415013631
AV  - RC569.9 I56 1988
PY  - 1990///
CY  - London
PB  - Routledge
KW  - Personas con discapacidad mental
KW  - Congresos
ER  -