Chapter 13 Petrogenesis of the Campanian Ignimbrite: Implications for crystal-melt separation and open-system processes from major and trace elements and Th isotopic data - Bohrson, W.A.; Spera, F. J.; Fowler, S.; Belkin, H. E.; de Vivo, B.; Rolandi, G. (Developments in Volcanology, 2006)