Published in Spixiana, in 2001, in volume 24, pages 1-4
Published in Spixiana, in 2001, in volume 24, pages 5-13
Published in Spixiana, in 2001, in volume 24, pages 15-18
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Published in Spixiana, in 2001, in volume 24, pages 53-72
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Published in Spixiana, in 2001, in volume 24, pages 129-140
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Published in Spixiana, in 2001, in volume 24, pages 193-202
Published in Spixiana, in 2001, in volume 24, pages 203-206
Revision der bisher zu Iselix Forster gestellten westpalaarktischen Arten von Phygadeuon Gravenhorst
Published in Spixiana, in 2001, in volume 24, pages 207-229
Published in Spixiana, in 2001, in volume 24, pages 231-233
Contribution to the taxonomy of European Poronota I. Oribatella and Anachipteria. (Acari, Oribatida)
Published in Spixiana, in 2001, in volume 24, pages 235-240
Published in Spixiana, in 2001, in volume 24, pages 241-244
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Published in Spixiana, in 2001, in volume 24, pages 257-274
Published in Spixiana, in 2001, in volume 24, issue 2, pages 177-190
Published in Spixiana, in 2001, in volume 24, issue 3, pages 249-256
Published in Spixiana, in 2001, in volume 24, issue 3, pages 275-286