Roberto Barbuti, Andrea Maggiolo-Schettini, Paolo Milazzo. Extending the Calculus of Looping Sequences to Model Protein Interaction at the Domain Level. In Ion I. Mandoiu, Alexander Zelikovsky, editors, Bioinformatics Research and Applications, Third International Symposium, ISBRA 2007, Atlanta, GA, USA, May 7-10, 2007, Proceedings. Volume 4463 of Lecture Notes in Computer Science, pages 638-649, Springer, 2007. [doi]