https://www.ion.org/publications/abstract.cfm?articleID=13963 Also here: https://ntrs.nasa.gov/citations/20060030427 Download it from JPL here: https://trs.jpl.nasa.gov/handle/2014/11024 time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe send an email to time-nuts-le...@lists.febo.com