@article{Wille83,
  author = {Wille, Rudolf},
  interhash = {6a461b2e7173cd2c60dda0f6477c6f0e},
  intrahash = {4f0b52c017f6c46fdec9407fbc2a6d09},
  journal = { Algebra Universalis },
  pages = { 275-287 },
  title = { Subdirect decomposition of concept lattices },
  volume = { 17 },
  year = { 1983 }
}