TY  - RPRT
TI  - Requirements for hypertext applications: the why, what and how approach.
AU  - A Dillon
PY  - 1991
DO  - 10.1016/0003-6870(91)90229-b
UR  - https://pubmed.ncbi.nlm.nih.gov/15676821/
ID  - 15676821
ER  -