@article{Xing07,
  author    = {Cong-Cong Xing},
  title     = {{Program Verifications, Object Interdependencies, and Object Types}},
  journal   = {{e-Informatica Software Engineering Journal}},
  volume    = {1},
  number    = {1},
  year      = {2007},
  pages     = {77--98},
  ee        = {http://www.e-informatyka.pl/e-Informatica/attach/Issue1/Vol1Iss1Art5eInformatica.pdf},
}