@article{sparsitydrivendigitalterrainmodel,
  title = {Sparsity-driven Digital Terrain Model Extraction},
  author = {Fatih Nar and Erdal Yilmaz and Gustau Camps-Valls},
  year = {2020},
  eprint = {2012.08639},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.08639v1},
}