@conference {rokkas2007free,
	title = {Free Space Optical Technology as an alternative Last-Mile Solution: A Techno-Economic Analysis},
	booktitle = {Telecommunication Techno-Economics, 2007. CTTE 2007. 6th Conference on},
	year = {2007},
	pages = {1{\textendash}5},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Rokkas, Theodoros and Kamalakis, Thomas and Katsianis, Dimitris and Varoutas, Dimitris and Sphicopoulos, Thomas}
}
