Citation: E. Widom et al., TH-SR-ND-PB ISOTOPE AND TRACE-ELEMENT EVIDENCE FOR THE ORIGIN OF THE SAO-MIGUEL, AZORES, ENRICHED MANTLE SOURCE, Chemical geology, 140(1-2), 1997, pp. 49-68
Citation: E. Widom et Sb. Shirey, OS ISOTOPE SYSTEMATICS IN THE AZORES - IMPLICATIONS FOR MANTLE PLUME SOURCES, Earth and planetary science letters, 142(3-4), 1996, pp. 451-465
Citation: E. Widom et al., SYENITE NODULES AS A LONG-TERM RECORD OF MAGMATIC ACTIVITY IN AGUA-DE-PAO VOLCANO, SAO-MIGUEL, AZORES, Journal of Petrology, 34(5), 1993, pp. 929-953