Rijks Geologische Dienst

year of pub­li­ca­ti­onISBNauthor(s)title
1990978-90-72869-05-0Two species of asciocythere swain, 1952 (Ostracoda) from the uppermost Cretaceous in Belgium and The Netherlands (Mededelingen Rijks Geologische Dienst)
  ''978-90-72869-06-7Salpingostoma prinsii nov. sp. and Gnetopsis robusta nov. sp., two new seeds from the Westphalian A/B of southern Limburg ; Late Quaternary calcareous ... Ocean (Mededelingen Rijks Geologische Dienst)
1998978-90-72869-60-9A. LokhorstNw European Gas Atlas