Kamo, Sandra L.; Krogh, T. E.; Glass, B. P.; Liu, S. (2002): U-Pb study of shocked zircons from the North American microtektite layer. Lunar and Planetary Science Conference, Houston, TX, United States, In: Anonymous, Lunar and planetary science; XXXIII; papers presented to the Thirty-third lunar and planetary science conference, 33, georefid:2009-052306