@Article{bg-14-921-2017,
AUTHOR = {Weigand, M. and Kemna, A.},
TITLE = {Multi-frequency electrical impedance tomography as a non-invasive tool to characterize and monitor crop root systems},
JOURNAL = {Biogeosciences},
VOLUME = {14},
YEAR = {2017},
NUMBER = {4},
PAGES = {921--939},
URL = {https://bg.copernicus.org/articles/14/921/2017/},
DOI = {10.5194/bg-14-921-2017}
}