Publication
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Eine Zospeum-Art aus den Pyrenäen, Zospeum bellesi spec. nov Article
Basteria, 37(5/6), 137-140.January 1973
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Pearl formation in Chlamys varia from Bretagne Article
Basteria, 37(5/6), 141-143.January 1973
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Boekbespreking Article
Basteria, 37(5/6), 144-144.January 1973
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The chromosomes of Macrochlamys tugurium (Benson, 1852) from Nepal (Stylommatophora, Sigmurethra: Ariophantidae) Article
Basteria, 37(5/6), 145-148.January 1973
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Boekbespreking Article
Basteria, 37(5/6), 149-150.January 1973
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Over het voorkomen van kiekendieven in Flevoland in 1971 en 1972 Article
Limosa, 46(2), 67-71.January 1973
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Korte mededelingen Article
Limosa, 46(2), 89-90.January 1973
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Kortsnavelboomkruiper en andere Noordoost-Europese gasten in 1971-72 Article
Limosa, 46(2), 63-66.January 1973