Emmanouil, G. Galanis, G. Kallos, G. Breivik, L.A. Heiberg, H. Reistad, M., Assimilation of radar altimeter data in numerical wave models: An impact study in two different wave climate regions, Annales geophysicae, (25), 581-595, 2007, European Geosciences Union (EGU), 0755-0685