Michael Weber, Ekkart Kindler. The Petri Net Markup Language. In Hartmut Ehrig, Wolfgang Reisig, Grzegorz Rozenberg, Herbert Weber, editors, Petri Net Technology for Communication-Based Systems - Advances in Petri Nets. Volume 2472 of Lecture Notes in Computer Science, pages 124-144, Springer, 2003. [doi]
Abstract is missing.