@misc{indiciae55d21e6a7c87,
  title = {Gross primary productivity of the true steppe in central Asia in relation to NDVI: scaling up CO 2 fluxes},
  author = {Tagir G. Gilmanov and Douglas A. Johnson and Nicanor Z. Saliendra and Kanat Akshalov and Bruce K. Wylie},
  year = {2004},
  doi = {10.1007/s00267-003-9157-7},
  url = {https://pubs.usgs.gov/publication/70156284},
  note = {Source identifier: 70156284}
}