Sveriges Podurider Tullberg, Tycho, 1842-1920 creator text book Stockholm P.A. Norstedt 1872 1872
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SWE Collembola Poduridae Sweden QL503.P6 T8Z Kongl. Svenska vetenskaps-akademiens handlingar, bd.10, n:0 10 Konigl. Svenska vetenskaps-akademiens Handlingar, Bandet 10, no. 10 https://www.biodiversitylibrary.org/bibliography/9386 8773173 10.5962/bhl.title.9386 CDS