@article{chr_1982.880, title = {Late Turonian-early Coniacian belemnites from western and central Europe}, author = {Christensen, Walter }, year = {1982}, journal = {Bulletin of the Geological Society of Denmark (Geological Survey of Denmark and Greenland) Kopenhagen}, volume = {31}, number = {1–2}, pages = {63–79}, url = {https://2dgf.dk/publikationer/bulletin/bulletin-volume-31-1982/} }