@misc{hansen_ers1_radar_1992, 
author={Hansen, B., Guenther, H.},
title={ERS-1 radar altimeter validation with the WAM model},
year={1992},
howpublished = {GKSS report},
note = {Hansen, B.; Guenther, H.: ERS-1 radar altimeter validation with the WAM model. In: Wooding, M. (Ed.): ERS-1 geophysical validation: Workshop Proceedings. Penhors (F). 1992. 157-162.}}