M. Sipser, and D. Spielman. Proceedings 35th Annual Symposium on Foundations of Computer Science, Institute of Electrical and Electronics Engineers (IEEE), (1994)
C. Berrou, A. Glavieux, and P. Thitimajshima. Communications, 1993. ICC '93 Geneva. Technical Program, Conference Record, IEEE International Conference on, 2, page 1064-1070 vol.2. (May 1993)