@misc{indiciae8056fee94908,
  title = {Critical Climate-Sensitive and Important Grain-Producing Regions: Grain Production/Yield Variations Due to Climate Fluctuations},
  author = {Welker, J. E.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20050175768},
  note = {Source identifier: 20050175768}
}