Ian Sommerville, Peter Sawyer. Viewpoints: Principles, Problems and a Practical Approach to Requirements Engineering. Ann. Software Eng., 3:101-130, 1997.
@article{SommervilleS97,
title = {Viewpoints: Principles, Problems and a Practical Approach to Requirements Engineering},
author = {Ian Sommerville and Peter Sawyer},
year = {1997},
tags = {principles, requirements engineering, systematic-approach},
researchr = {https://researchr.org/publication/SommervilleS97},
cites = {0},
citedby = {0},
journal = {Ann. Software Eng.},
volume = {3},
pages = {101-130},
}