@article{HarelK02:0,
  title = {On Object Systems and Behavioral Inheritance},
  author = {David Harel and Orna Kupferman},
  year = {2002},
  url = {http://www.computer.org:80/tse/ts2002/e0889abs.htm},
  tags = {meta-model, Meta-Environment, meta-objects},
  researchr = {https://researchr.org/publication/HarelK02%3A0},
  cites = {0},
  citedby = {0},
  journal = {IEEE Trans. Software Eng.},
  volume = {28},
  number = {9},
  pages = {889-903},
}