TY  - RPRT
TI  - Usability engineering 
AU  - Downey, Laura L
AU  - Laskowski, Sharon J
PY  - 1997
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 500-237
DO  - 10.6028/NIST.SP.500-237
ER  -