@misc{indiciaec890227b074b,
  title = {GIRAS; a geographic information retrieval and analysis system for handling land use and land cover data},
  author = {W.B. Mitchell and S.C. Guptill and Kirk E. Anderson and R.G. Fegeas and C.A. Hallam},
  year = {1977},
  doi = {10.3133/pp1059},
  url = {https://pubs.usgs.gov/publication/pp1059},
  note = {Source identifier: pp1059}
}