@misc{indiciae408e914a4ceb,
  title = {Group on Earth Observations (GEO) global drought early warning information service},
  author = {W. Pozzi and D. Cripe and J. Vogt and M. Werner and R. Heim and M.J. Brewer and J. Sheffield and R. Westerhoff and R. Stefanski and M. Svoboda and J. Verdin},
  year = {2011},
  doi = {10.1109/geoss.2011.5948948},
  url = {https://pubs.usgs.gov/publication/70036292},
  note = {Source identifier: 70036292}
}