@misc{https://doi.org/10.5067/grgad-20j06, doi = {10.5067/GRGAD-20J06}, url = {https://podaac.jpl.nasa.gov/dataset/GRACE_GAD_L2_GRAV_JPL_RL06}, author = {{NASA Jet Propulsion Laboratory (JPL)}}, title = {GRACE OCEAN BOTTOM GEOPOTENTIAL COEFFICIENTS JPL RELEASE 6.0 GAD}, publisher = {NASA Physical Oceanography Distributed Active Archive Center}, year = {2018} }