@misc{indiciae9067f6653498,
  title = {Improving the Global Precipitation Record: GPCP Version 2.1},
  author = {Huffman, George J. and Adler, Robert F. and Bolvin, David t. and Gu, Guojun},
  year = {2009},
  url = {https://ntrs.nasa.gov/citations/20090032034},
  note = {Source identifier: 20090032034}
}