Burgin, Connor J; Colella, Jocelyn P; Kahn, Philip L; Upham, Nathan S (2018-02-01). „How many species of mammals are there?”. Journal of Mammalogy. 99 (1): 1—14. ISSN0022-2372. doi:10.1093/jmammal/gyx147.
Krebs, Charles J. (2009). „Population dynamics of large and small mammals: Graeme Caughley's grand vision”. Wildlife Research. 36 (1): 1. ISSN1035-3712. doi:10.1071/wr08004.
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Burgin, Connor J; Colella, Jocelyn P; Kahn, Philip L; Upham, Nathan S (2018-02-01). „How many species of mammals are there?”. Journal of Mammalogy. 99 (1): 1—14. ISSN0022-2372. doi:10.1093/jmammal/gyx147.
Krebs, Charles J. (2009). „Population dynamics of large and small mammals: Graeme Caughley's grand vision”. Wildlife Research. 36 (1): 1. ISSN1035-3712. doi:10.1071/wr08004.