@misc{mueller_geostationary_earth_1997, author={Mueller, J.}, title={Geostationary Earth Radiation Budget (GERB) Instrument Calibration Plans}, year={1997}, howpublished = {journal article}, note = {Online available at: \url{} (DOI). Mueller, J.: Geostationary Earth Radiation Budget (GERB) Instrument Calibration Plans. Advances in Space Research. 1997. vol. 19, no. 9, 1307-1316.}}