Fenton, M.B.; Bell, G.P. (1981). "Recognition of species of insectivorous bats by their echolocation calls". Journal of Mammalogy. 62 (2): 233–243. doi:10.2307/1380701. JSTOR1380701.
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Fenton, M.B.; Bell, G.P. (1981). "Recognition of species of insectivorous bats by their echolocation calls". Journal of Mammalogy. 62 (2): 233–243. doi:10.2307/1380701. JSTOR1380701.