@article {Simula.SE.273,
	title = {Integration of System Dynamics Modelling With Descriptive Process Modelling and Goal-Oriented Measurement},
	journal = {Journal of Systems and Software},
	volume = {46},
	number = {2/3},
	year = {1999},
	pages = {135-150},
	author = {Pfahl, Dietmar and Lebsanft, Karl}
}
