@inproceedings{time20,
  author = {Della Monica, Dario and
	    Nicola Gigante and
	    La Torre, Salvatore and
	    Angelo Montanari},
  title = {Complexity of qualitative
           timeline-based planning},
  booktitle = {Proc. of the 27th International
               Symposium on Temporal Representation
	       and Reasoning (TIME)},
  pages = {16:1--16:13},
  series = {Leibniz International Proceedings in
            Informatics (LIPIcs)},
  ISBN = {978-3-95977-167-2},
  ISSN = {1868-8969},
  volume = {178},
  editor = {Emilio Mu{\~n}oz-Velasco and Ana Ozaki
            and Martin Theobald},
  publisher = {Schloss Dagstuhl--Leibniz-Zentrum f{\"u}r Informatik},
  doi = {10.4230/LIPIcs.TIME.2020.16},
  year = {2020}
}