@misc{guenther_the_wam_1992, author={Guenther, H.,Hasselmann, S.,Janssen, P.A.E.M.}, title={The WAM model cycle 4.0 user manual}, year={1992}, howpublished = {report}, note = {Online available at: \url{} (DOI). Guenther, H.; Hasselmann, S.; Janssen, P.: The WAM model cycle 4.0 user manual. 1992.}}