Liu, S.; Glass, B. P. (2000): Comparison of the stratigraphic relationship of the upper Eocene couplet of microtektites-microkrystites between holes 689D and 689B. Lunar and Planetary Science Conference, Houston, TX, United States, In: Anonymous, Lunar and planetary science, XXXI; papers presented to the Thirty-first lunar and planetary science conference, 31, georefid:2006-054216