TY  - BOOK
ED  - United Nations: Department of International Economic and Social Affairs Statistical Office.
TI  - Guidelines and principles for the development of disability statistics
T2  - (Statistics on special population groups series Y; no. 4)
SN  - 9211614422
PY  - 2001///
CY  - New York
PB  - United Nations
KW  - Disabled-statistics
ER  -