@article{griffiths2004finding,
  author = {Griffiths, Thomas L. and Steyvers, Mark},
  interhash = {387a5060792d52ea73b02dd68e52559e},
  intrahash = {cbfda2e50bd63357890b9181d8883826},
  title = {Finding scientific topics},
  url = {http://www.pnas.org/cgi/content/abstract/101/suppl_1/5228},
  year = 2004
}