Article
International Commission on Zoological Nomenclature,
1910. Opinion 21. Shall the Genera of Klein, 1744, Reprinted by Walbaum, 1792, be Accepted? Smithson. Publ. (no. 1938), Jul 1910: 51-52.
[Reprint: ICZN, 1958. Ops. Decls. Int. Comm. Zool. Nomencl. 1 (B): 51-52] ≡