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Harfush-Meléndez, Martha; Buskirk, James R. (2008-07-29). "New Distributional Data on the Tehuantepec Slider, Trachemys grayi, in Oaxaca, Mexico". Chelonian Conservation and Biology. 7 (2): 274–276. doi:10.2744/CCB-0710.1. S2CID86009087.