1. Introduction to General Relativity;Adler,1975
2. Principles of Relativity Physics;Anderson,1967
3. Continuous symmetries in field theory;Barbashov;Fortschr. Phys.,1983
4. Absolute or Relative Motion? Vol. 1 The Discovery of Dynamics;Barbour,1989
5. Absolute or Relative Motion? Vol. 2 The Deep Structure of General Relativity;Barbour,2005