@article{Tsichritzis85:1,
  title = {Object Species},
  author = {Dennis Tsichritzis},
  year = {1985},
  url = {http://sites.computer.org/debull/85DEC-CD.pdf},
  tags = {meta-model, Meta-Environment, meta-objects},
  researchr = {https://researchr.org/publication/Tsichritzis85%3A1},
  cites = {0},
  citedby = {0},
  journal = {IEEE Data Eng. Bull.},
  volume = {8},
  number = {4},
  pages = {2-7},
}