Mourgues O., Francisco Amaro Advances in ammonite biostratigraphy of the marine Atacama basin (Lower Cretaceous), northern Chile, and its relationship with the Neuquén basin, Argentina - Oxford Elsevier Science September 2004 - pp. 3-10 ilus. ISSN: 0895-9811 Subjects--Topical Terms: AMMONITESBIOESTRATIGRAFIACRETACEO INFERIORPALEOGEOGRAFIA Subjects--Geographic Terms: ARGENTINAATACAMACHILENEUQUEN