@misc{W2091397530,
  author = {A. M. Baldridge and Simon J. Hook and C.I. Grove and Gerardo Rivera},
  title = {The ASTER spectral library version 2.0},
  year = {2009},
  howpublished = {Remote Sensing of Environment},
  doi = {https://doi.org/10.1016/j.rse.2008.11.007}
}