some minimum, for the monet just so as to give a home to the references

Thibault Damour,

*High-energy gravitational scattering and the general relativistic two-body problem*, Phys. Rev. D 97, 044038 (2018) (arXiv:1710.10599)Donato Bini, Thibault Damour,

*Gravitational spin-orbit coupling in binary systems at the second post-Minkowskian approximation*, Phys. Rev. D 98, 044036 (2018) (arXiv:1805.10809)

and for cross-linking with *gravitational waves*.