@article {6306,
	title = {Effects of cirrus cloudiness on solar irradiance in four spectral bands},
	journal = {Atmospheric Research},
	volume = {102},
	year = {2011},
	pages = {452-459},
	url = {http://www.sciencedirect.com/science/article/pii/S0169809511003000},
	author = {Kazantzidis, A. and Eleftheratos, K. and Zerefos, C. S.}
}
