Generalized net model of the procedures of IV curve tracer. - Lenko Erbakanov; Sotir Sotirov (IEEE Conf. of Intelligent Systems, 2012)

Modeling Logic Gates and Circuits with Generalized Nets. - Lenko Erbakanov; Todor Kostadinov; Todor Petkov; Sotir Sotirov; Veselina Bureva (IWIFSGN@FQAS, 2015)

Generalized net models of basic sequential logic circuits. - Lenko Erbakanov; Krassimir T. Atanassov; Sotir Sotirov; Stanislav Simeonov (IEEE Conf. on Intelligent Systems, 2016)