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  1. By: Radchenko, Alexander - Perkovsky, Evgeny E. - Vasilenko, Dmitry
    Type: Article
    In: Journal of Hymenoptera research
    Volume: 82
    Date: 2021
    Page Range: 237--251
    Publication Info: Washington, D.C International Society of Hymenopterists
    Subjects: European ambers  Formica ribbeckei  new species  Paleontology  syninclusions  taxonomy