@misc{hennings_comparison_of_1988, 
author={Hennings, I., Doerffer, R., Alpers, W.},
title={Comparison of submarine relief features on a radar satellite image and on a Skylab satellite photograph},
year={1988},
howpublished = {GKSS report},
note = {Hennings, I.; Doerffer, R.; Alpers, W.: Comparison of submarine relief features on a radar satellite image and on a Skylab satellite photograph. International Journal of Remote Sensing. 1988. vol. 9, 45-67.}}