1. Atanassov, K.: Generalized Nets. World Scientific, Singapore (1991)
2. Atanassov, K.: On Generalized Nets Theory. Prof. M. Drinov Academic Publishing House, Sofia (2007)
3. Atanassov, K.: Generalized Nets and Intuitionistic Fuzziness in Data Mining. Prof. M. Drinov Academic Publishing House, Sofia (2020)
4. Atanassov, K.: On Intuitionistic Fuzzy Sets Theory. Studies in Fuzziness and Soft Computing, vol. 283. Spirnger, Heidelberg (2012). https://doi.org/10.1007/978-3-642-29127-2
5. Bachkova, I., Todorov, N., Georgiev, P.: Monitoring and optimization of crude oil distillation plant by intuitionistic fuzzy generalized nets. In: Notes on Intuitionistic Fuzzy Sets, vol. 2, no. 2, pp. 11–15 (1996)