@misc{stuhlmann_satellite_estimates_1990, 
author={Stuhlmann, R.,Rieland, M.,Raschke, E.},
title={Satellite estimates of global and diffuse radiation},
year={1990},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Stuhlmann, R.; Rieland, M.; Raschke, E.: Satellite estimates of global and diffuse radiation. International Journal of Solar Energy. 1990. vol. 8, 137-154.}}