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BioRisk 4: 97-130
doi:
10.3897/biorisk.4.51
Published:
06 Jul 2010
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Authors
Pavel Stoev 
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National Museum of Natural History and Pensoft Publishers, Sofia, Bulgaria
Università degli Studi della Tuscia, Viterbo, Italy
Russian Academy of Sciences, Moscow, Russia
University of Copenhagen, Copenhagen OE, Denmark
Natural History Museum of Denmark (Zoological Museum), Denmark
Ivybridge, United Kingdom
Conflict of interest
The authors have declared that no competing interests exist.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.