Millimeter-Wave Spectra: Hyperfine Structure of BrCN and ICNRemoveWalter Gordy, William V. Smith, A. G. Smith, and Harold RingPhys. Rev. 72, 259 (1947)
The Physical Significance of Birkhoff's Gravitational EquationsRemoveHerbert E. IvesPhys. Rev. 72, 229 (1947)