@inproceedings{DBLP:conf/jelia/CabalarFF14,
  title = {A Complexity Assessment for Queries Involving Sufficient and Necessary Causes},
  author = {Cabalar, Pedro and Fandi{\~{n}}o, Jorge and Fink, Michael},
  booktitle = {{JELIA}},
  pages = {297--310},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  volume = {8761},
  year = {2014}
}