• The gas content in the coregonid swimbladder 

      Sundnes, Gunnar; Bratland, Per; Strand, Elsa (Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 15 no 3, Research report, 1969)
    • Notes on the gas content and neutral buoyancy in physostome fish 

      Sundnes, Gunnar; Bratland, Per (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1972)
      SUNDNES, G. and BRATLAND, P. 1972. Notes on the gas content and neutral buoyancy in physostome fish. FiskDir. Skr. Ser. HavUnders., 16 : 89-97. Field and experimental observations from herring (Clupea harengus) and char ...
    • Studies on the long term storage of living saithe, Pollachius virens Linnaeus, 1758 

      Bratland, Per; Krishnan, Subbaraman; Sundnes, Gunnar (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1976)
      Studies on the long term storage of living saithe, Pollachius virens Linnaeus, 1758. FiskDir. Skr. Ser. HavUnders., 16: 279-300. In order to observe how far muscle nutrition is affected during long term starvation, saithe ...