• Physical variability in the sea and the consequences for fisheries hydrography 

      Dietrich, Günter (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)
      Progress in fisheries hydrography depends on progress in the knowledge of physical and chemical variability in the sea. This variability is caused by short term changes in the fine structure of layering in temperature, ...