@misc{indiciaeea306639dfe9,
  title = {NMR and mass spectrometry of phosphorus in wetlands},
  author = {H. El-Rifai and M. Heerboth and T.E. Gedris and S. Newman and W. Orem and W.T. Cooper},
  year = {2008},
  doi = {10.1111/j.1365-2389.2007.01008.x},
  url = {https://pubs.usgs.gov/publication/70033461},
  note = {Source identifier: 70033461}
}