1.
A check-list of the diatoms in the holocene deposits of the western Belgian coastal plain with a survey of their apparent ecological requirements, vol I
A check-list of the diatoms in the holocene deposits of the western Belgian coastal plain with a survey of their apparent ecological requirements, vol II
A diatom and radiocarbon perspective of the palaeoenvironmental history and stratigraphy of Holocene deposits between Oostende and Nieuwpoort (western coastal plain, Belgium)
Ypresian