S De Schepper (2000)
Mapping,lithostratigraphy and biostratigraphy with chitinozoa from the silurian type sections in the Orneau valley (Brabant massif)
Geologica Belgica, vol. 3 p. 126-129.
03855, 130, 143, BW, N, CALBRAB, SIL, PALMIC, STRA
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