@misc{indiciaee2c5b6e996e6,
  title = {High-precision measurement of variations in calcium isotope ratios in urine by multiple collector inductively coupled plasma mass spectrometry},
  author = {J.L.L. Morgan and G.W. Gordon and R.C. Arrua and J.L. Skulan and A.D. Anbar and T.D. Bullen},
  year = {2011},
  doi = {10.1021/ac200361t},
  url = {https://pubs.usgs.gov/publication/70034327},
  note = {Source identifier: 70034327}
}