Andreas P. Schmidt; Christine Kunzmann (September 16, 2014). Designing for knowledge maturing: from knowledge-driven software to supporting the facilitation of knowledge development. i-KNOW '14: Proceedings of the 14th International Conference on Knowledge Technologies and Data-driven Business. ACM. pp. 1–7. doi:10.1145/2637748.2638421.
United States, Navy Mathematical Computing Advisory Panel (29 June 1956), Symposium on advanced programming methods for digital computers, [Washington, D.C.]: Office of Naval Research, Dept. of the Navy, OCLC10794738