@article{WehrhanSommer2021,
  author    = {Marc Wehrhan and Michael Sommer},
  title     = {A parsimonious approach to estimate soil organic carbon applying Unmanned Aerial System (UAS) multispectral imagery and the topographic position index in a heterogeneous soil landscape},
  journal   = {Remote sensing / Molecular Diversity Preservation International (MDPI)},
  volume    = {13},
  number    = {18},
  doi       = {10.3390/rs13183557},
  year      = {2021},
}