C Dupuis, J De Coninck, C Guernet, and E Roche (1990)
Biostratigraphic data - ostracods and organic walled microfossils - of the Landen formation and the base of the Ieper formation in the Knokke borehole
Memoirs of the Geological Survey of Belgium, vol. 29 p. 33-45.
04366, .11, W, BRAB3, PALEOC, EOC, PALMIC, STRATBIO
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