Show 15 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact 8BE5514E-B25E-11E6-B104-2D2FD0AF0289 cql: author exact 8DDE5EAA-B25E-11E6-B104-2D2FD0AF0289 Add to list Journal Article A1 Opaline concretions in Weichselian Late-glacial lake marl from Flanders, northern Belgium. Luc Denys, Patrick Kiden and Cyriel Verbruggen (UGent) (1998) JOURNAL OF PALEOLIMNOLOGY. 20(1). p.91-98