TY  - BOOK
AU  - Constantine, Larry L.
AU  - lockwood, Lucy A.D.
TI  - Software for use: A practical guide to the models and methods of usage-centered design
SN  - 0201924781
U1  - 005.1 
PY  - 1999///
CY  - Massachusetts
PB  - Addison-Wesley
ER  -