@article{913181, author = {Robert Hellmann and Allan H. Harvey}, title = {First-Principles Diffusivity Ratios for Atmospheric Isotope Fractionation on Mars and Titan}, year = {2021}, number = {126}, month = {2021-04-22 04:04:00}, publisher = {Journal of Geophysical Research-Planets}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=931853}, doi = {https://dx.doi.org/10.1029/2021JE006857}, language = {en}, }