[{"text":"\n\n\nJon Oldevik , Massimiliano Menarini , Ingolf Krüger, Model Composition Contracts, Proceedings of the 12th International Conference on Model Driven Engineering Languages and Systems, October 04-09, 2009, Denver, CO\n\n\n","citation":"1691374"},{"text":"\n\n\nRoy GrØnmo , Ragnhild Kobro Runde , Birger MØller-Pedersen, Confluence of aspects for sequence diagrams, Software and Systems Modeling (SoSyM), v.12 n.4, p.789-824, October 2013\n\n\n","citation":"2579391"}]