@article{CTT100624402,
  author = {Yasuhiko FUJII and Masao NOMURA and Toshitaka KANESHIKI and Yoichi SAKUMA and Tatsuya SUZUKI and Saori UMEHARA and Tadahumi KISHIMOTO},
  title = {Mass dependence of calcium isotope fractionations in crown-ether resin chromatography},
  journal = {Isotope  in Environmental Health and Studies},
  year = 2010,
}