TY - JOUR A1 - Korn, D. T1 - A key for the description of Palaeozoic ammonoids JO - Foss. Rec. J1 - FR VL - 13 IS - 1 SP - 5 EP - 12 Y1 - 2010/02/01 PB - Wiley SN - 2193-0074 UR - https://fr.copernicus.org/articles/13/5/2010/ L1 - https://fr.copernicus.org/articles/13/5/2010/fr-13-5-2010.pdf DO - 10.1002/mmng.200900008 ER -