@article {22879,
	title = {Optical and geometrical characteristics of cirrus clouds over a mid-latitude lidar station},
	journal = {Atmospheric Chemistry and Physics Discussions},
	volume = {7},
	year = {2007},
	pages = {9283-9317},
	author = {Giannakaki, E. and Balis, D. S. and V. Amiridis and S. Kazadzis}
}
