1. T. Hansen et. al., En Strukturanalyse av sildeolje- og sildemelindustrien. Bergen, 1976 (in Norwegian).
2. Fiskeridepartementet (the Ministry of Fisheries): Langtidsplanen for fiskerinaeringen. Oslo, 1977 (in Norwegian).
3. R. Lundin, Metodproblem vid simulering. Företagsekonomiska studier i Göteborg (Göthenburg Studies in Business Administration) (in Swedish)
4. L. Mathiesen, A Multi-Criteria Model for Assessing Industrial Structure in the Norwegian Fish-Meal Industry. Paper presented at the NATO Symposium on Applied Operations Research in Fishing, Trondheim, August 14th-17th, 1979.