Report of the Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak ( WGNSSK ) , 4 -- 10 May 2011 , ICES Headquarters , Copenhagen ( PDF ) .
^ Jump up to : ICES ( 2011 ) .
Report of the Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak ( WGNSSK ) , 4 -- 10 May 2011 , ICES   , Copenhagen ( PDF ) .
^ Jump up to : ICES ( 2011 ) .