@misc{indiciae66c15bf3f291,
  title = {Environmental 90Sr measurements},
  author = {M. Paul and D. Berkovits and L.D. Cecil and H. Feldstein and A. Hershkowitz and Y. Kashiv and S. Vogt},
  year = {1997},
  doi = {10.1016/s0168-583x(96)00708-2},
  url = {https://pubs.usgs.gov/publication/70020023},
  note = {Source identifier: 70020023}
}