F Robaszynski and W. K Christensen (1989)
The Upper Campanian - Lower Maastrichtian chalks of the Mons Basin,Belgium: a preliminary study of belemnites and foraminifera in the Harmignies and Ciply areas
Geologie en Mijnbouw, vol. 68,4 p. 391-408.
09809, 151, Ht, HAINE, CRET, PAL, PALMIC, STRATBIO
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