@InProceedings{makinson_et_al:DagSemProc.07122.32,
  author =	{Makinson, David and van der Torre, Leendert},
  title =	{{What is Input/Output Logic? Input/Output Logic, Constraints, Permissions}},
  booktitle =	{Normative Multi-agent Systems},
  pages =	{1--12},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7122},
  editor =	{Guido Boella and Leon van der Torre and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.32},
  URN =		{urn:nbn:de:0030-drops-9282},
  doi =		{10.4230/DagSemProc.07122.32},
  annote =	{Keywords: Deontic logic, input/output logic, constraints, permissions}
}