"The Confrontation between General Relativity and Experiment"
Clifford M. Will 

List of Footnotes

1 Note that the minus sign in front the c4 term in Eq. (42*) compared to that in the references is a result of our convention for the signature of the metric
2 Full disclosure: The author served as Chair of an external NASA Science Advisory Committee for Gravity Probe B from 1998 to 2011.
3 This history is adapted from Ref. [430]. For a detailed technical and historical review of the problem of motion, see Damour [100*]