@Proceedings{EPTCS387,
  editor    = {Mezzina, Claudio Antares and Caltais, Georgiana},
  year      = {2023},
  title     = {{\rm Proceedings Combined 30th International Workshop on}
               Expressiveness in Concurrency {\rm and 20th Workshop on} Structural Operational Semantics,
               {\rm Antwerp, Belgium, 18th September 2023}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {387},
  publisher = {Open Publishing Association},
  doi       = {10.4204/EPTCS.387},
}