R. Ettema, и J. Dietz. Advances in Enterprise Engineering III, том 34 из Lecture Notes in Business Information Processing, Springer, Berlin Heidelberg, (2009)
K. Zamli, и P. Lee. AICCSA '01: Proceedings of the ACS/IEEE International Conference on Computer Systems and Applications, стр. 435. Washington, DC, USA, IEEE Computer Society, (2001)