Einstein$1 (Bs Space-Times An Introduction to Special and General Relativity - Ferraro, Rafael; SpringerLink (Online service) (New York, NY : Springer New York, 2007)
Keywords: Physics; Astronomy; Astrophysics; Relativity (Physics).; Physics -- History; Physics; Relativity and Cosmology; Astronomy, Astrophysics and Cosmology; Astrophysics; History of Physics