@article{octavio1985nonexistence,
  abstract = {We prove that there is no free object over a countable set in the category of complete distributive lattices with homomorphisms preserving binary meets and arbitrary joins.},
  author = {Garcia, Octavio and Nelson, Evelyn},
  interhash = {c4a8aeddff294dbdd727c05059ab2050},
  intrahash = {d4ce23539ea3bc784068e93dc70387aa},
  journal = {Order},
  month = {December},
  number = 4,
  pages = {399--403},
  title = {On the nonexistence of free complete distributive lattices},
  url = {http://dx.doi.org/10.1007/BF00582745},
  volume = 1,
  year = 1985
}

@article{erne1993distributive,
  abstract = {We study several kinds of distributivity for concept lattices of contexts. In particular, we find necessary and sufficient conditions for a concept lattice to be(1)distributive,(2)a frame (locale, complete Heyting algebra),(3)isomorphic to a topology,(4)completely distributive,(5)superalgebraic (i.e., algebraic and completely distributive).},
  affiliation = {Institut für Mathematik Universität Hannover Hannover Germany},
  author = {Erné, Marcel},
  doi = {10.1007/BF01195382},
  interhash = {f30c769c54f5eb98962742b324651451},
  intrahash = {dd7f97b10532feab21d486ebb6783939},
  issn = {0002-5240},
  issue = {4},
  journal = {Algebra Universalis},
  keyword = {Mathematics and Statistics},
  pages = {538-580},
  publisher = {Birkhäuser Basel},
  title = {Distributive laws for concept lattices},
  url = {http://dx.doi.org/10.1007/BF01195382},
  volume = 30,
  year = 1993
}

@article{Jonsson,
  author = {J\'{o}nsson, Bjarni},
  interhash = {1e86e1c71951c755a9fc63029c30633e},
  intrahash = {8f84ccdc0213a1c007d63d3473007431},
  journal = {Math. Scand.},
  pages = {110--121},
  title = {Algebras whose Congruence Lattices are Distributive},
  volume = 21,
  year = 1967
}