1. Bertelsen, E., und K. Popp-Madsen, 1953–1957: Young Herring from the Blødcn Ground Area. Cons. Perm. Internat. Expl. Mer, Ann. Biol.9 (1952), 179, 180;10 (1953), 155/56;11 (1954), 125/27;12 (1955).
2. Blaxter, J. H. S., 1955: Herring Rearing I. The Storage of Herring Gametes. Mar. Res., Scott. Home Dep.1955, 3.
3. —— 1956: Herring Rearing II. The Effect of Temperature and other Factors on Development. ibid.1956, 5.
4. —— 1957: Herring Rearing III. The Effect of Temperature and other Factors on Myotome Counts. ibid.1957, 1.
5. Bohl, H. J., 1954: (Herring:) Larvae in the Southern North Sea and the German Bight during March 1953. Cons. Perm. Internat. Explor. Mer, Ann. Biol.10 (1953), 151–52.