Fredlund, Glen Paleoenvironmental interpretations of stable carbon, hydrogen and oxygen isotopes from opal phytoliths, Eustis Ash Pit, Nebraska - MASCA research papers in science and archaeology, 10 . 2 exemplaires ISSN: 10485325 Subjects--Topical Terms: PaléoécologieEnvironnementMéthode analyseRadioisotopePhytolitheEtude de site--Eustis Ash Pit Subjects--Index Terms: Etats Unis Nebraska