@Article{acp-7-2631-2007, AUTHOR = {Eleftheratos, K. and Zerefos, C. S. and Zanis, P. and Balis, D. S. and Tselioudis, G. and Gierens, K. and Sausen, R.}, TITLE = {A study on natural and manmade global interannual fluctuations of cirrus cloud cover for the period 1984–2004}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {7}, YEAR = {2007}, NUMBER = {10}, PAGES = {2631--2642}, URL = {http://www.atmos-chem-phys.net/7/2631/2007/}, ISSN = {1680-7316} }