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Emmons, L. H.; Stark, N. M. (1979). "Elemental composition of a natural mineral lick in Amazonia". Biotropica. 11 (4): 311–313. doi:10.2307/2387925. JSTOR2387925.
Atwood, T. C.; Weeks, H. P. (2003). "Sex-specific patterns of mineral lick preference in white-tailed deer". Northeastern Naturalist. 10 (4): 409–414. doi:10.2307/3858657. JSTOR3858657.