@TechReport{broy_et_al:DagSemRep.9,
  author =	{Broy, Manfred and Deussen, Peter and Olderog, Ernst-R\"{u}diger and de Roever, Willem-Paul},
  title =	{{Concurrent Systems: Semantics, Specification, and Synthesis (Dagstuhl Seminar 9111)}},
  pages =	{1--20},
  ISSN =	{1619-0203},
  year =	{1991},
  type = 	{Dagstuhl Seminar Report},
  number =	{9},
  institution =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemRep.9},
  URN =		{urn:nbn:de:0030-drops-148970},
  doi =		{10.4230/DagSemRep.9},
}