1. Will C M 1981 Theory and Experiment in Gravitational Physics (Cambridge University Press, Cambridge, United Kingdom)
2. Thorne K S 1987 “Gravitational Radiation”, in Hawking, S W, and Israel, W., eds., 300 Years of Gravitation, 330–458, (Cambridge University Press, Cambridge, United Kingdom)
3. Misner C W, Thorne K S Wheeler J A, Gravitation W.H. Freemn and Company (1970)
4. Ciufolini I. and Wheeler J.A. Gravitation and Inertia, Princeton Series in Physics (1995)
5. Amaldi E, Pizzella G in De Finis, F., ed. 1979 Relativity, Quanta, and Cosmology in the development of the scientific thought of Albert Einstein, 1–230, (Johnson Reprint Corp., Academic Press)