@article{Ngu89:0,
  title = {Conceptual Transaction Modeling},
  author = {Anne H. H. Ngu},
  year = {1989},
  tags = {meta-model, modeling, Meta-Environment},
  researchr = {https://researchr.org/publication/Ngu89%3A0},
  cites = {0},
  citedby = {0},
  journal = {IEEE Trans. Knowl. Data Eng.},
  volume = {1},
  number = {4},
  pages = {508-518},
}