@inproceedings{DBLP:conf/iclp/DelgrandeSTW09,
  author = {Delgrande, James P. and Schaub, Torsten and Tompits, Hans and Woltran, Stefan},
  title = {Merging Logic Programs under Answer Set Semantics},
  booktitle = {{ICLP}},
  series = {Lecture Notes in Computer Science},
  volume = {5649},
  pages = {160--174},
  publisher = {Springer},
  year = {2009}
}