@ARTICLE{
author={Androutsos NA,Nistazakis HE,Petkovic Milica I,Djordjevic Goran T,Stassinakis AN,Volos CK},
year={2021},
title={Multi-hop DF relayed FSO links with various modulation formats emulated by a dual-hop scheme for strong turbulence conditions},
journal={OPTIK},
volume={227},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Varotsos GK,Nistazakis HE,Petkovic Milica I,Djordjevic Goran T,Tombras GS},
year={2017},
title={SIMO optical wireless links with nonzero boresight pointing errors over M modeled turbulence channels},
journal={OPTICS COMMUNICATIONS},
volume={403},
number={},
pages={391-400},
document_type={Article},
}