@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} }