Haris Attila: Hymenoptera Research in the Carpathian Basin - Natura Somogyiensis 29. (Kaposvár, 2016)
Hymenopterologists int he Carpathian Basin
164 Natura Somogyiensis Fig. 65: Bogdan Wisniowski Fig. 66: Vladimir Balthasar Fig. 67: Borivoj [Borek] Tkalcu Fig. 68: Jaromir Strejcek
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