Why few Dutch beam trawlers use a controllable pitch propeller
Blom, W.C. (1988). Why few Dutch beam trawlers use a controllable pitch propeller. CM Documents - ICES, C.M. 1988(B:15). International Council for the Exploration of the Sea: Copenhagen. 3 + figures + annexes pp.
Part of: ICES CM Documents - ICES. ICES: Copenhagen. ISSN 1015-4744