@misc{indiciae3b75cff0d870,
  title = {Mapping biomass for a northern forest ecosystem using multi-frequency SAR data},
  author = {Ranson, K. J. and Sun, Guoqing},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930063888},
  note = {Source identifier: 19930063888}
}