@misc{horstmann_a_new_2002, 
author={Horstmann, J.,Schaettler, B.,Lehner, S.},
title={A new method for radiometric calibration of SAR and its global monitoring},
year={2002},
howpublished = {conference lecture: Toronto (CDN); 24.-28.06.2002},
note = {Online available at: \url{} (DOI). Horstmann, J.; Schaettler, B.; Lehner, S.: A new method for radiometric calibration of SAR and its global monitoring. International Geoscience and Remote Sensing Symposium, IGARSS 2002. Toronto (CDN), 2002.}}