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The systematics and distribution of the hognose viper Bothrops nasuta Bocourt (Serpentes: Viperidae)
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Published in American Fern Journal, in 1995, in volume 85, pages 95-96
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Published in Madroño, in 1986, in volume 33, issue 1, pages 81
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Published in Biol Bull, in 1962, in volume 122, pages 252-262
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