Since the circumstances on the IJsselmeer will change by the reclamation works, observations on the present lake cannot directly be used for the determination of the cross sections of the dikes protecting the reclaimed land. The method of obtaining, the necessary data (water level, wave attack) ...
auteur(s): M. Klasema, C.H. de Jong; [Ministerie van Verkeer en Waterstaat Rijkswaterstaat], Service of the Zuiderzeeworks = Dienst der Zuiderzeewerken