1. Shannon, C.E.: A Mathematical Theory of Communication. Bell Sys. Tech. J. 27, 379–423, 623–656 (1948)
2. Markovski, S., Gligoroski, D., Bakeva, V.: Quasigroup String Processing: Part 1. Maced. Acad. of Sci. and Arts, Sc. Math. Tech. Scien. XX (1-2), 13–28 (1999)
3. Gligoroski, D., Markovski, S., Kocarev, L.j.: Totally Asynchronous Stream Ciphers + Redundancy = Cryptcoding. In: Aissi, S., Arabnia, H.R. (eds.) Proceedings of the 2007 International Conference on Security and management, SAM 2007, Las Vegas, June 25-28, pp. 446–451. CSREA Press (2007)
4. Gligoroski, D., Markovski, S., Kocarev, L.j.: Error-Correcting Codes Based on Quasigroups. In: Proceedings of 16th International Conference on Computer Communications and Networks (ICCCN 2007), August 13-16, pp. 165–172 (2007)
5. Dimitrova, V., Markovski, J.: On Quasigroup Pseudo Random Sequence Generators. In: Proceedings of the 1st Balkan Conference in Informatics, Thessaloniki, Greece, November 21-23, pp. 393–401 (2003)