@article{dumas2007semantics,
	Author = {Dumas, M. and Grosskopf, A. and Hettel, T. and Wynn, M.},
	Journal = {Lecture Notes in Computer Science},
	Pages = {41},
	Title = {{Semantics of Standard Process Models with OR-Joins}},
	Volume = {4803},
	Year = {2007}}