@article{CTT100659294,
  author = {F. Moynier and J.M.D. Day and Wataru Okui and Tetsuya Yokoyama and A. Bouvier and R.J. Walker and F.A. Podosek},
  title = {Planetary-scale strontium isotopic heterogeneity and the age of volatile depletion of early solar system materials.},
  journal = {Astrophys. J.},
  year = 2012,
}

@article{CTT100659296,
  author = {Tetsuya Yokoyama and C.M.O'D. Alexander and R.J. Walker},
  title = {Assessment of nebular versus parent body processes on presolar components present in chondrites: Evidence from osmium isotopes.},
  journal = {Earth Planet. Sci. Lett.},
  year = 2011,
}

@article{CTT100659299,
  author = {Tetsuya Yokoyama and C.M.O'D. Alexander and R.J. Walker},
  title = {Osmium isotope anomalies in chondrites: Results for acid residues and related leachates.},
  journal = {Earth Planet. Sci. Lett.},
  year = 2010,
}