Publication
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[Proceedings of the 4th International Workshop of the Lower Cretaceous Cephalopod Team (IGCP-Project 362) / Peter F. Rawson and Philip J. Hoedemaeker (editors)]: Deshayesitid ammonites from the lower Aptian (Lower Cretaceous) of North-east Greenland Article
Scripta Geologica. Special Issue, 3(5), 83-95.January 1999
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[Proceedings of the 4th International Workshop of the Lower Cretaceous Cephalopod Team (IGCP-Project 362) / Peter F. Rawson and Philip J. Hoedemaeker (editors)]: The Berriasian genus Groebericeras in Argentina and the problem of its age Article
Scripta Geologica. Special Issue, 3(2), 15-29.January 1999
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[Proceedings of the 4th International Workshop of the Lower Cretaceous Cephalopod Team (IGCP-Project 362) / Peter F. Rawson and Philip J. Hoedemaeker (editors)]: The 'Pseudocrioceras interval' and adjacent beds at La Bedoule (SE France); implications to highest Barremian/lowest Aptian biostratigraphy Article
Scripta Geologica. Special Issue, 3(9), 159-213.January 1999
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Nogmaals Amaranthus hybridus L. (Groene amarant) en A. bouchonii Thell. (Franse amarant) Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 25(2/3), 31-33.January 1999
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Fossil appendicular skeletal walrus material from the North Sea and the estuary of the Schelde (Mammalia, Carnivora) Article
Beaufortia, 49(8), 63-81.January 1999
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Excursieverslagen van FLORON-kampen 1998 Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 25(2/3), 40-48.January 1999
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Long-distance correlations in the Valanginian-Hauterivian: Argentina - Western Mediterranean - NW Europe Article
Scripta Geologica. Special Issue, 151-158.January 1999
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The ‘Pseudocrioceras interval’ and adjacent beds at La Bédoule (SE France): implications to highest Barremian/lowest Aptian biostratigraphy Article
Scripta Geologica. Special Issue, 159-213.January 1999