1. The influence of mesh geometry, mesh size, and lead weight on the sinking speed of purse seines;Beltestad;FTFI report,1988
2. Swimming speeds of fish;Blaxter;FAO Fish. Rep.,1969
3. The herring: a successful species?;Blaxter,1985
4. A multi-beam sonar for fish school observation;Bodholt,1982
5. The behaviour of the Norwegian tribe of the Atlanto-Scandian herring;Devold;FAO Fish. Rep.,1969