Non-indigenous organisms introduced via ships into German waters
Gollasch, S.; Dammer, M.; Lenz, J.; Andres, H.G. (1995). Non-indigenous organisms introduced via ships into German waters. CM Documents - ICES, CM 1995(O:13). ICES: Copenhagen. 11 + figures pp.
Part of: ICES CM Documents - ICES. ICES: Copenhagen. ISSN 1015-4744