@article{brummitt2015jigsaw,
  title={Jigsaw percolation: What social networks can collaboratively solve a puzzle?},
  author={Brummitt, Charles D and Chatterjee, Shirshendu and Dey, Partha S and Sivakoff, David},
  journal={The Annals of Applied Probability},
  volume={25},
  number={4},
  pages={2013--2038},
  year={2015},
  DOI={10.1214/14-AAP1041},
  ISSN = {10505164},
  URL = {http://www.jstor.org/stable/24520506},
 publisher = {Institute of Mathematical Statistics},
 keywords = {percolation, social networks, random graph, phase transition},
 month = aug 
}