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Paul E. Hertz, Comparative Thermal Biology of Sympatric Grass Anoles (Anolis semilineatus and A. olssoni) in Lowland Hispaniola (Reptilia, Lacertilia, Iguanidae), Journal of Herpetology, Vol. 13, No. 3 (Jul. 30, 1979), pp. 329-333
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Paul Hertz (1979) studied this question.
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