D. N. Reusch, C. S. Holm-Denoma, and J. F. Slack, “U–Pb zircon geochronology of Proterozoic and Paleozoic rocks, North Islesboro, coastal Maine (USA): links to West Africa and Penobscottian orogenesis in southeastern Ganderia?”, atlgeo, vol. 54, pp. 189–221, Jul. 2018.