TY  - BOOK
AU  - Gray,David B.
AU  - Quatrano,Louis A.
AU  - Lieberman,Morton L.
TI  - Designing and using assistive technology: the human perspective 
SN  - 1557663149
PY  - 1998///
CY  - Baltimore
PB  - Paul H. Brookes
KW  - Self-Help Devices
ER  -