Ramírez-Restrepo, L., & Halffter, G. (2016). A dung beetle in Mexico city: The case of Ceratotrupes fronticornis (Erichson) (Coleoptera: Geotrupidae). Instituto de Ecología, A.C.
Chicago-čujuhus (17. p.)Ramírez-Restrepo, Lorena, juo Gonzalo Halffter. A Dung Beetle in Mexico City: The Case of Ceratotrupes Fronticornis (Erichson) (Coleoptera: Geotrupidae). Instituto de Ecología, A.C, 2016.
MLA-čujuhus (9. p.)Ramírez-Restrepo, Lorena, juo Gonzalo Halffter. A Dung Beetle in Mexico City: The Case of Ceratotrupes Fronticornis (Erichson) (Coleoptera: Geotrupidae). Instituto de Ecología, A.C, 2016.
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