@misc{indiciaeeeeba71333f3,
  title = {Software quality assurance in the National Water Information System},
  author = {G.R. Dempster and C.F. Merk},
  year = {1991},
  doi = {10.3133/ofr91218},
  url = {https://pubs.usgs.gov/publication/ofr91218},
  note = {Source identifier: ofr91218}
}