TY  - RPRT
TI  - Towards a practical method of user interface evaluation.
AU  - G I Johnson
AU  - C W Clegg
AU  - S J Ravden
PY  - 1989
DO  - 10.1016/0003-6870(89)90187-7
UR  - https://pubmed.ncbi.nlm.nih.gov/15676742/
ID  - 15676742
ER  -