Publication
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Fourth report on birds from the Cape Verde Islands, including notes on conservation and records of 11 taxa new to the archipelago Article
Bulletin Zoologisch Museum, 17(3), 19-32.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
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Comments on some new occurrences of heteromorph ammonites in the Lower Cretaceous (late Valanginian — early Barremian) of the Eastern Alpine and Western Carpathian systems Article
Scripta Geologica. Special Issue, 215-227.January 1999
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Redescription of Echinomunna horrida Vanhöffen, 1914, a highly derived and rare species from the Antarctic (Crustacea, Isopoda, Munnidae) Article
Bulletin Zoologisch Museum, 17(2), 9-16.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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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