007050000a2200217000450024500820000030000120008250000290009465000180012365000230014165000150016404100130017970000230019270000220021570000260023770000180026370000190028170000250030010000240032526000450034977300930039410aNatural sound archivessguidance for recordists and a request for cooperation  a474-486  a<Curso de Bioacústica>14aBioacústica14aArchivos de sonido14aEtología0 aInglés1 aBudney, Gregory F.1 aGrotke, Robert W.1 aVielliard, Jacques M.1 aGaunt, Sandra1 aRanft, Richard1 aVeprintseva, Olga D.1 aKroodsma, Donald E.  aNew YorkbCornell University Pressc19961 tIn Kroodsma D.; Miller E. Eds./ Ecology and Evolution of Acoustic Communication in Birds