De haringcampagne 1963-64 = La campagne harenguière 1963-64
Gilis, Ch. (1965). De haringcampagne 1963-64 = La campagne harenguière 1963-64. Zeewetenschappelijk Instituut = Institut d'Etudes Maritimes: Oostende. 26 pp.
This series describes the herring fisheries (fishing grounds, fleet, crew, landings and totals, catches), and also a biological study on a few characteristics of herring (length, weight, sex, gonads, fat ratios, age, gut content, scales).
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