%0 Journal Article %T Palaeoenvironments in semi-arid northeastern Brazil inferred from high precision mass spectrometric speleothem and travertine ages and the dynamics of South American rainforests %A Auler %A A.S. %A Wang %A X. %A Edwards %A R.L. %A Cheng %A H. %J Speleogenesis and Evolution of Karst Aquifers %D 2004 %I %K Amazonian rainforest %K Atlantic rainforest %K speleothems %K travertines %K palaeoenvironments. %U http://www.speleogenesis.info/archive/publication.php?PubID=3268&Type=publication