@ARTICLE{svozil-tkadlec,
  author = {Karl Svozil and Josef Tkadlec},
  title = {Greechie diagrams, nonexistence of measures in quantum logics and {K}ochen--{S}pecker type constructions},
  journal = {Journal of Mathematical Physics},
  year = {1996},
  volume = {37},
  pages = {5380-5401},
  number = {11},
  month = {November},
  doi = {10.1063/1.531710},
  url = {http://dx.doi.org/10.1063/1.531710}
}