@misc{hh_dem_srtm
  author = {NASA JPL},
  year = {2013},
  title = {Huayhuash DEM (SRTM)},
  publisher = {NASA EOSDIS Land Processes Distributed Active Archive Center (LPDAAC)},
  url = {https://lpdaac.usgs.gov/products/srtmgl1v003/},
  keywords = {Peru},
  keywords = {Huayhuash},
  keywords = {Elevation},
  keywords = {DEM},
  timestamp = {0001-01-01},
  language = {en},
}