McLelland, J.M., Chiarenzelli, J.R., Whitney, P.R., Isachsen, Y.W., 1988. U-Pb Zircon Geochronology of the Adirondack Mountains and Implications for Their Geologic Evolution. Geology 16, 920-924. doi:10.1130/0091-7613(1988)?016<0920:UPZGOT>?2.3.CO;2