004170000a2200097000450024501390000004400130013904100130015265100300016510000190019577301050021410aAn alert concerning a possible threat to the amphibian fauna east of the Andessdiscovery of the american bullfrog in eastern Colombia  aColombia0 aInglés 4pColombialRegión andina1 aLynch, John D.1 tRevista de la Academia Colombiana de ciencias exactas, físicas y naturalesh113q589-600d2005g29