@conference {Zacharopoulos2003680,
	title = {Improved filter concatenation tolerance using duobinary modulation format for metropolitan area networks},
	booktitle = {Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS},
	volume = {2},
	year = {2003},
	pages = {680-681},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-0344034698\&partnerID=40\&md5=d6b81c8bfba04dc0b949bb4c89b43c11},
	author = {Zacharopoulos, I. and Tzanakaki, A. and Parcharidou, D. and Tomkos, I.}
}
