D. Aumueller, H. Do, S. Massmann, и E. Rahm. Proceedings of the 2005 ACM SIGMOD International Conference on Management of Data, стр. 906--908. New York, NY, USA, ACM, (2005)
G. Bruno, D. Antonelli, R. Korf, J. Lentes, и N. Zimmermann. Advances in Production Management Systems: Innovative and Knowledge-Based Production Management in a Global-Local World (Part I), том 438 из IFIP Advances in Information and Communication Technology, Springer, Heidelberg, (2014)