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
Denys, L. (1991). 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. Professional Paper. Geological Survey of Belgium, 1991/02(246). Geologische Dienst van België: Brussel. 41 pp.
Deel van: Professional Paper. Geological Survey of Belgium. Belgische Geologische Dienst: Brussel. ISSN 0378-0902, meer