"Tetsuya Yokoyama,Yusuke Fukami,Wataru Okui,Nobuaki Itou,Yamazaki, Hiroshi","Nucleosynthetic strontium isotope anomalies in carbonaceous chondrites",,"Earth and Planetary Science Letters",,"Vol. 416",,"pp. 46-55",2015, "F. Moynier,J.M.D. Day,Wataru Okui,Tetsuya Yokoyama,A. Bouvier,R.J. Walker,F.A. Podosek","Planetary-scale strontium isotopic heterogeneity and the age of volatile depletion of early solar system materials.",,"Astrophys. J.",,"Vol. doi:10.1088/0004-637X/758/1/45",,,2012,