"Geology, Stratigraphic Neogene." . . "Europe." . . "Aufsatzsammlung." . . "Geology Europe." . . "Nordwesteuropa." . . "From 2 to 25 million years ago" . . "Noordwest-Europa." . . "Geology." . . "Neogene Geologic Period." . . . . . . . . . . . . "Feestbundels (vorm)" . . . . "Neogene and Quaternary geology of north-west Europe : contributions on the occasion of Waldo H. Zagwijn's retirement"@en . . . "Neogene and quaternary geology of North-West Europe : contributions on the occasion of Waldo H. Zagwijn's retirement" . . . . . . . . . . "Neogene and Quaternary geology of north-west Europe contributions on the occasion of Waldo H. Zagwijn's retirement"@en . . . . . . . . . . . . "Neogene and Quaternary geology of North-West Europe : contributions on the occasion of Waldo H. Zagwijn's retirement" . . . . . "Quaternary Geologic Period." . . . . "Quartär." . . "Geology, Stratigraphic." . . "Neogen." . . "Quartair." . . "Stratigraphie Europe." . . "Geology, Stratigraphic Quaternary." . . "Quaternaire (ère géologique) Europe." . . "Tertiaire (ère géologique) Europe." . .