TY  - BOOK
AU  - Beyer, Hugh 
TI  - Contextual Design: Defining Customer-centered Systems
SN  - 9781558604117
U1  - 004.21 BEY 
PY  - 1998///
CY  - .- London 
PB  - : Morgan Kaufmann
KW  - System analysis
KW  - System design
KW  - Computers
KW  - Software Development & Engineering
ER  -