ANN Modelling of Planar Filters Using Square Open Loop DGS Resonators. - Marin Nedelchev; Zlatica Marinkovic; Alexander Kolev (FABULOUS, 2019)

Tri-Section Wideband Branch-Line Hybrid: Design, Simulation Technique and Measurement. - Marin Nedelchev; Biljana P. Stosic; Nebojsa Doncov; Alexander Kolev (TSP, 2019)

Software Improved State Control of an Autonomous Platform. - Alexander Kolev; Alexander Ranov (CompSysTech, 2020)

Modeling and Design of Microstrip Coupled Resonator Filters based on ANNs. - Marin Nedelchev; Milos Mitic; Alexander Kolev; Zlatica Marinkovic (TSP, 2020)