1.
De haringcampagnes: I. 1958-59, II. 1959-60, III. 1960-61 = Les campagnes harenguières: I. 1958-59, II. 1959-60, III. 1960-61
Faunistic and anatomical data on the Antarctic Opisthobranchia (Mollusca, Gastropoda) in the collections of the Royal Belgian Institute of Natural Sciences
