@article{BaerenzungHolschneiderWichtetal.2020,
  author    = {Julien Baerenzung and Matthias Holschneider and Johannes Wicht and Vincent Lesur and Sabrina Sanchez},
  title     = {The Kalmag model as a candidate for IGRF-13},
  journal   = {Earth, planets and space},
  volume    = {72},
  number    = {1},
  doi       = {10.1186/s40623-020-01295-y},
  year      = {2020},
}