@article {Zacharopoulos2005321,
	title = {Optimization study of advanced modulation formats for 10-Gb/s metropolitan networks},
	journal = {Journal of Lightwave Technology},
	volume = {23},
	number = {1},
	year = {2005},
	pages = {321-329},
	doi = {10.1109/JLT.2004.834981},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-13244268426\&doi=10.1109\%2fJLT.2004.834981\&partnerID=40\&md5=6c0e38dbad9ee05776393699767338e5},
	author = {Zacharopoulos, I. and Tzanakaki, A. and Parcharidou, D. and Tomkos, I.}
}
