Abstract
DOI:https://doi.org/10.1103/PhysRevLett.21.266.3
©1968 American Physical Society
Fourth test of General Relativity: Preliminary Results.
Irwin I. Shapiro, Gordon H. Pettengill, Michael E. Ash, Melvin L. Stone, William B. Smith, Richard P. Ingalls, and Richard A. Brockelman
Phys. Rev. Lett. 21, 266 – Published 22 July 1968
