Citation: Jn. Theron et Mjm. Bless, THE 1ST MIDDLE PALEOZOIC OSTRACODE DESCRIBED FROM SOUTH-AFRICA, South African journal of science, 89(9), 1993, pp. 457-458
Citation: Mjm. Bless et al., LITHOLOGY AND BIOSTRATIGRAPHY OF UPPER CRETACEOUS-PALEOCENE CARBONATES IN THE MOLENBEERSEL BOREHOLE (NE BELGIUM), Geologie en mijnbouw, 71(3), 1992, pp. 239-257