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9th International Congress of Hymenopterists. Participants from Russia (left to right): Andrey I. Khalaim, Arkady S. Lelej, Ekaterina V. Tselikh, Vladimir E. Gokhman. 23 July 2018. |
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| Part of: Proshchalykin MYu, Gokhman VE (2021) Editorial. In: Proshchalykin MYu, Gokhman VE (Eds) Hymenoptera studies through space and time: A collection of papers dedicated to the 75th anniversary of Arkady S. Lelej. Journal of Hymenoptera Research 84: 1-9. https://doi.org/10.3897/jhr.84.72212 |