TY  - BOOK
AU  - Downton,Andy
TI  - Engineering the human-computer interface
SN  - 0077073215 
AV  - QA76.9.H85 E53 1991
U1  - 004/.01/9 20
PY  - 1991///
CY  - London
PB  - McGraw-Hill Book Co.
KW  - Human-computer interaction
KW  - User interfaces (Computer systems)
N1  - Includes bibliographical references and index
ER  -