@misc{ziemer_measuring_and_1998, 
author={Ziemer, F., Seemann, J., Senet, C.},
title={Measuring and Predicting the Cruising in Natural Seas},
year={1998},
howpublished = {conference lecture: Lisboa (P);},
note = {Ziemer, F.; Seemann, J.; Senet, C.: Measuring and Predicting the Cruising in Natural Seas. 17th International Conference on Offshore Mechanics and Arctic Engineering. Lisboa (P), 1998.}}