Rokkas T, Varoutas D, Katsianis D, Smura T, Renjish K, Heikkinen M, Harno J, Kind M, von Hugo D, Monath T. On the economics of fixed-mobile convergence. Info. 2009;11:75-86.

Harno J, Katsianis D, Smura T, Eskedal TG, Venturin R, Pohjola OP, Kumar KRR, Varoutas D. Alternatives for mobile operators in the competitive 3G and beyond business. Telecommunication Systems. 2009;41:77-95.

Kyriakidou V, Chipouras A, Katsianis D, Sphicopoulos T. Business models for municipal metro networks: Theoretical and financial analysis. Optical Access Networks and Advanced Photonics: Technologies and Deployment Strategies. 2009:213-230.

Kakaletris G, Varoutas D, Katsianis D, Sphicopoulos T. Design and implementation approaches for location-based, tourism-related services. Handbook of Research on Geoinformatics. 2009:433-468.

Rokkas T, Katsianis D, Kamalakis T, Varoutas D, Sphicopoulos T. Evaluation of FSO and FTTH technologies using techno-economic and risk analysis. Info. 2009;11:87-96.