by Kesteven, G. L.; Burdon, T. W.; Ingpen, R. R.; Williams, G. R.;
Year: 1971.
Book
by Gulland, J. A.;
Year: 1984
Book Chapter
by Gulland, J. A.;
Year: 1972
Journal Article
Year: 1979.
Journal Article
by FAO Technical Conference on Fishery Management and Development, Vancouver, 1973;
Journal Article