Report of the second workshop on dredging and surveying : 29th February and 1st March 1996, Leer, Germany / ed. by: C.C. van Woudenberg, H.W.A. Behrens

Report of the second workshop on dredging and surveying : 29th February and 1st March 1996, Leer, Germany / ed. by: C.C. van Woudenberg, H.W.A. Behrens