Oxygen Isotopic Composition and REE Abundances of a Zr-rich-Oxide-bearing Inclusion from Murchison Ushikubo, T. ; Hiyagon, H. ; Hashimoto, A. ; Kimura, M. Abstract Publication: Meteoritics and Planetary Science Supplement Pub Date: August 2004 Bibcode: 2004M&PSA..39.5111U