We use SpatialData 2.0.0 ( Aagaard, 2015) published under the MIT license.
We thank the Computational Infrastructure for Geodynamics (http://geodynamics.org) which is funded by the National Science Foundation under awards EAR-0949446 and EAR-1550901.
Aagaard, B. (2015), SpatialData v2.0.0 [software], Computational Infrastructure for Geodynamics, url: https://geodynamics.org
For previous versions, please cite the correct release above.