@misc{138,
  author = {G.J. Greene and Bernd Fischer},
  title = {Single-Focus Broadening Navigation in Concept Lattices},
  abstract = {No Abstract},
  year = {2016},
  number = {32-42},
  url = {https://cla2016.hse.ru/data/2016/07/24/1119022942/CDUD2016.pdf#page=39},
}