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Sagias NC, Zogas DA, Karagiannidis GK, Tombras GS. Performance analysis of switched diversity receivers in Weibull fading. Electronics Letters [Internet]. 2003;39:1472-1474. Website

Varzakas P, Tombras GS. Optimal hop number of adaptive hybrid DS/FFH CDMA in Rayleigh fading. Electronics Letters [Internet]. 2003;39:557-558. Website

Varzakas P, Tombras GS. Spectral efficiency of adaptive hybrid DS/FFH CDMA in Rayleigh fading. Electronics Letters [Internet]. 2003;39:145-147. Website