K. . Thrane and J. N. . Connelly, “Zircon geochronology from the Kangaatsiaq–Qasigiannguit region, the northern part of the 1.9–1.8 Ga Nagssugtoqidian orogen, West Greenland”, GEUS Bulletin, vol. 11, pp. 87–100, Dec. 2006.