@misc{indiciaeff9ad0020bd6,
  title = {Nuclear magnetic resonance studies of phosphorus(v) pesticides. Part I. Chemical shifts of protons as a means of identification of pesticides},
  author = {H. Babad and W. Herbert and M. C. Goldberg},
  year = {1968},
  doi = {10.1016/s0003-2670(01)80394-9},
  url = {https://pubs.usgs.gov/publication/70010827},
  note = {Source identifier: 70010827}
}