*Will, C. M. (1971) Theoretical frameworks for testing relativistic gravity II: Parameterized post-Newtonian hydrodynamics and the Nordtvedt effect, Astrophys.
* Will, C. M. (1971) Theoretical frameworks for testing relativistic gravity II: Parameterized post-Newtonian hydrodynamics and the Nordtvedt effect, Astrophys.