Haris Attila: Hymenoptera Research in the Carpathian Basin - Natura Somogyiensis 29. (Kaposvár, 2016)
Hymenopterologists int he Carpathian Basin
Haris, A.: Hymenoptera Research in the Carpathian Basin 159 Fig. 44: Paul August Viktor Bliithgen Fig. 46: János Győrfi Fig. 45: Sándor Pongrácz Fig. 47: Jan Noskiewicz
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