Haris Attila: Hymenoptera Research in the Carpathian Basin - Natura Somogyiensis 29. (Kaposvár, 2016)
Hymenopterologists int he Carpathian Basin
154 Natura Somogyiensis Fig. 24: Franz Friedrich Kohl Fig. 25: Jean Jacques Kieffer Fig. 26: Károly Sajó Fig. 27: Heinrich Friedrich August Karl Ludwig Friese
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