C. N. V. Utrecht-Cock

Age determination and reproduction of female Fin Whales Balaenoptera physalus (Linnaeus, 1758), with special regard to baleen plates and ovaries

C. N. V. Utrecht-Cock, 1965 .

Comparison of records of baleen plates and of ear plugs in female Fin Whales, Balaenoptera physalus (Linnaeus, 1758)

W. L. V. Utrecht, C. N. V. Utrecht-Cock, 1969 .

Serrivomer beani Gill & Ryder, 1884 (Pisces, Anguilliformes, Serrivomeridae): some aspects of seasonal variation in numbers and distribution in the mid North Atlantic

W. L. V. Utrecht, C. N. V. Utrecht-Cock, 1987 .