@misc{indiciae479a9850c621,
  title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of nonpurgeable suspended organic carbon by wet-chemical oxidation and infrared spectrometry},
  author = {Mark R. Burkhardt and James A. Kammer and Virendra K. Jha and Peggy G. O’Mara-Lopez and Mark T. Woodworth},
  year = {1997},
  doi = {10.3133/ofr97380},
  url = {https://pubs.usgs.gov/publication/ofr97380},
  note = {Source identifier: ofr97380}
}