H. Chang, T.-C. Chen, C. Tung. The realization of symmetric switching functions using magnetic bubble technology. In American Federation of Information Processing Societies: 1973 National Computer Conference, 4-8 June 1973, New York, NY, USA. Volume 42 of AFIPS Conference Proceedings, pages 413-420, AFIPS Press/ACM, 1973. [doi]
Abstract is missing.