@Article{gchron-2020-18,
AUTHOR = {Morgan, L. E.},
TITLE = {Potassium isotopic variability and implications for $^{40}$K-based
geochronology},
JOURNAL = {Geochronology Discussions},
VOLUME = {2020},
YEAR = {2020},
PAGES = {1--9},
URL = {https://gchron.copernicus.org/preprints/gchron-2020-18/},
DOI = {10.5194/gchron-2020-18}
}