The consequence of marine gravel extraction for the spawning of herring
de Groot, S.J. (1979). The consequence of marine gravel extraction for the spawning of herring. CM Documents - ICES, C.M. 1979(E:5). International Council for the Exploration of the Sea: Copenhagen. 30 pp.
Part of: ICES CM Documents - ICES. ICES: Copenhagen. ISSN 1015-4744