@article{spectralvariabilityinhyperspectraldata,
  title = {Spectral Variability in Hyperspectral Data Unmixing: A Comprehensive Review},
  author = {Ricardo Augusto Borsoi and Tales Imbiriba and José Carlos Moreira Bermudez and Cédric Richard and Jocelyn Chanussot and Lucas. Drumetz and Jean-Yves Tourneret and Alina Zare and Christian Jutten},
  year = {2020},
  eprint = {2001.07307},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2001.07307v4},
}