1. Atanassov, K.: Generalized Nets. World Scientific, Singapore (1991)
2. Atanassov, K.: On Generalized Nets Theory. Sofia, Prof. M. Drinov Publishing House, Sofia, Bulgaria (2007)
3. Atanassov, K., Chakarov, V., Shannon, A., Sorsich, J.: Generalized Net Models of the Human Body. Prof. M. Drinov Publishing House, Sofia, Bulgaria (2008)
4. Atanassov, K., Shannon, A.: Principal generalized net model of an excretory system. In: Proceedings of the Fifth International Workshop on Generalized Nets, Sofia, 10 November 2004, pp. 13–18 (2004)
5. Atanassov, K., Chakarov, V., Shannon, A.: Principal generalized net model of the human muscle-sceletal system. In: Proceedings of Scientific Session of Burgas Free University, Burgas, 9–11 June 2006, vol. III, pp. 392–398 (2006)