C. J. de B. Beyers

• A device for maintaining constant concentration of dissolved oxygen and temperature in a closed aquarium system
• Stock assessment and some morphometric and biological characteristics of the rock lobster Jasus Lalandii on Marshall Rocks, its main commercial fishing area off South West Africa, 1971-1974
• The biology, availability, and exploitation of rock lobster Jasus lalandii, off South West Africa/Namibia, 1970-1980