Nistazakis HE, Stassinakis AN, Sandalidis HG, Tombras GS. QAM and PSK OFDM RoFSO over M-turbulence induced fading channels. IEEE Photonics Journal [Internet]. 2015;7. Website

Papanikolaou CP, Tombras GS, Van De Bogart KL, Stetzer MR. Investigating student understanding of operational-amplifier circuits. American Journal of Physics [Internet]. 2015;83:1039-1050. Website

Nistazakis HE, Stassinakis AN, Sinanović S, Popoola WO, Tombras GS. Performance of quadrature amplitude modulation orthogonal frequency division multiplexing-based free space optical links with non-linear clipping effect over gamma-gamma modelled turbulence channels. IET Optoelectronics [Internet]. 2015;9:269-274. Website