Publication
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A new Echinogammarus of the pungens-group, Echinogammarus pinksteri nov. sp., from central Italy (Crustacea, Amphipoda) Article
Bulletin Zoologisch Museum, 3(15), 103-105.January 1973
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A fourth Mediterranean Rhynchothorax and remarks on the genus (Pycnogonida) Article
Bulletin Zoologisch Museum, 3(17), 119-122.January 1973
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Abnormal sinistrorsity in the Marginellidae (Gastropoda) Article
Bulletin Zoologisch Museum, 3(5), 25-28.January 1973
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The palynology of some Palaeogene deposits between the Rio Esera and the Rio Segre, southern Pyrenees, Spain Article
Leidse Geologische Mededelingen, 49(1), 145-163.January 1973
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Carboniferous Fusulinids of the Sama formation (Asturia, Spain) (I. Hemifusulina) Article
Leidse Geologische Mededelingen, 49(1), 85-104.January 1973
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Mimosaceae Article
Flora of the Netherlands Antilles, 3(1), 9-29.January 1973
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Correlation of the Myachkovian and Kasimovian in the U.S.S.R. with the west European subdivision Article
Leidse Geologische Mededelingen, 49(1), 1-7.January 1973
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Preliminary results of the investigation of the central galician schist area (prov. of Orense and Pontevedra, NW Spain) Article
Leidse Geologische Mededelingen, 49(1), 33-37.January 1973