TY  - BOOK
AU  - Preece, Jennifer
AU  - Rogers,Yvonne
AU  - Sharp,Helen
TI  - Interaction design: beyond human-computer interaction 
SN  - 0471492787
PY  - 2002///
CY  - New York
PB  - John Wiley & Sons
KW  - Human
KW  - Computer interaction
N1  - Includes bibliographical references (p. 493-502) and index
ER  -