Barbara Paech
The Four Levels of Use Case Description
REFSQ, 1998.
@inproceedings{REFSQ-1998-Paech, author = "Barbara Paech", booktitle = "{Proceedings of the Fourth International Workshop on Requirements Engineering: Foundation for Software Quality}", isbn = "2-87037-272-8", pages = "207--218", publisher = "{Presses Universitaires de Namur}", title = "{The Four Levels of Use Case Description}", year = 1998, }