The stratotype of the Aalter Sands (Eocene of NW Belgium): stratigraphy and calcareous nannoplankton
Steurbaut, E.; Nolf, D. (1989). The stratotype of the Aalter Sands (Eocene of NW Belgium): stratigraphy and calcareous nannoplankton. Meded. Werkgr. Tert. Kwart. Geol. = Contr. Tert. Quatern. Geol. 26(1): 11-28
In: Mededelingen van de Werkgroep voor Tertiaire en Kwartaire Geologie = Contributions to Tertiary and Quaternary Geology. Backhuys: Rotterdam. ISSN 0165-280X, meer