Heather D. Pfeiffer, Dmitry I. Ignatov, Jonas Poelmans, Nagarjuna Gadiraju, editors, Conceptual Structures for STEM Research and Education, 20th International Conference on Conceptual Structures, ICCS 2013, Mumbai, India, January 10-12, 2013. Proceedings. Volume 7735 of Lecture Notes in Computer Science, Springer, 2013. [doi]
Conference: iccs2013