King, K. D.
Ochsendorf, R. J.
Solomon, G. E. A.
Sloane, F. C.
Article History
Received: 22 October 2019
Accepted: 27 March 2020
First Online: 20 April 2020
Compliance with Ethical Standards
:
: This material is based upon work supported while serving at the National Science Foundation. Robert J. Ochsendorf and Gregg E.A. Solomon were supported by the Foundation’s IRD program. Any opinion, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.