MGDS References
Sharp, Z.D., J.D. Barnes, A.J. Brearley, M. Chaussidon, T.P. Fischer and V.S. Kamenetsky, "Chlorine isotope homogeneity of the mantle, crust and carbonaceous chondrites", Nature, 446(7139): , 2007, DOI 10.1038/nature05748. (View Reference)