@misc{indiciae778befaeb959,
  title = {Constraints on the utility of MnO 2 cartridge method for the extraction of radionuclides: A case study using 234 Th},
  author = {M. Baskaran and P.W. Swarzenski and B.A. Biddanda},
  year = {2009},
  doi = {10.1029/2008gc002340},
  url = {https://pubs.usgs.gov/publication/70035401},
  note = {Source identifier: 70035401}
}