@misc{indiciae2708dad422eb,
  title = {Variability and trends in global drought},
  author = {Gregory J. McCabe and David M. Wolock},
  year = {2015},
  doi = {10.1002/2015ea000100},
  url = {https://pubs.usgs.gov/publication/70189347},
  note = {Source identifier: 70189347}
}