@Article{acpd-8-3357-2008,
AUTHOR = {Hess, M. and Koepke, P.},
TITLE = {Modelling UV irradiances on arbitrarily oriented surfaces: effects of sky obstructions},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {8},
YEAR = {2008},
NUMBER = {1},
PAGES = {3357--3381},
URL = {http://www.atmos-chem-phys-discuss.net/8/3357/2008/},
ISSN = {1680-7367}
}