Valencia-Hernández, Á. A., Goyenechea, I., & Castillo-Cerón, J. M. (2007). Notes on scutellation, length, and distribution of rattlesnakes (serpentes: Viperidade: crotalus) in the state of hidalgo, México. Instituto de Ecología, A.C.
Citace podle Chicago (17th ed.)Valencia-Hernández, Ángel Alberto, Irene Goyenechea, a Jesús Martín Castillo-Cerón. Notes on Scutellation, Length, and Distribution of Rattlesnakes (serpentes: Viperidade: Crotalus) in the State of Hidalgo, México. Instituto de Ecología, A.C, 2007.
Citace podle MLA (9th ed.)Valencia-Hernández, Ángel Alberto, et al. Notes on Scutellation, Length, and Distribution of Rattlesnakes (serpentes: Viperidade: Crotalus) in the State of Hidalgo, México. Instituto de Ecología, A.C, 2007.
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