@inproceedings{NguyenS00:0,
  title = {Essential and Incidental Complexity in Requirements Models},
  author = {LeMai Nguyen and Paul A. Swatman},
  year = {2000},
  url = {http://computer.org/proceedings/icre/0565/05650130abs.htm},
  tags = {meta-model, Meta-Environment},
  researchr = {https://researchr.org/publication/NguyenS00%3A0},
  cites = {0},
  citedby = {0},
  pages = {130-139},
  booktitle = {ICRE},
}