@InProceedings{Navara:Zakopane07,
  IS = { zkontrolovano 15 Dec 2007 },
  UPDATE  = { 2007-12-11 },
  author =      {Mirko Navara},
  title =       {Varieties of orthomodular lattices},
  year =        {2007},
  pages =       {31},
  booktitle =   {Applications of Algebra~11},
  publisher =   {Jan D{\l}ugosz University},
  address =     {Cz{\c e}stochowa, Poland},
  book_pages =  {48},
  month =       {March},
  day =         {5-11},
  venue =       {Zakopane, Poland},
  annote = {We summarize recent results on state spaces of
    orthomodular lattices. We obtain that the lattice of varieties of
    orthomodular lattices is of ``continuum height" and of ``infinite
    width".},
  keywords =    {orthomodular lattice, variety, state, probability measure,
                 set representation, Greechie diagram},
  importance =  {0},
  project =     {GACR 201/07/1051},
  www         = {http://imi.ajd.czest.pl/aalcs/index_en.php},
}