No evidence for precipitous declines of harlequin frogs (Atelopus) in the Guyanas

Author： Luger Martina Garner Trenton Ernst Raffael Hodl Walter Lotters Stefan

ISSN： 0165-0521

Source： Studies on Neotropical Fauna and Environment, Vol.43, Iss.3, 2008-12, pp. : 177-180

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