R^4 Corrections to Eleven Dimensional Supergravity via Supersymmetry
R^4 Corrections to Heterotic M-theory
R^4 counterterm and E7(7) symmetry in maximal supergravity
R^4 terms in 11 dimensions and conformal anomaly of (2,0) theory
R^4, purified
R^n gravity and the chameleon
R_b and New Physics: A Comprehensive Analysis
R_b and R_l in MSSM without R-Parity
R_b Constraints on Littlest Higgs Model with T-parity
R_b in Supergravity Grand Unification with Non-universal Soft SUSY Breaking
R_b Problem: Loop Contributions and Supersymmetry
R_F Parity and Almost Massless Up Quark
R_{out}/R_{sid} and Opacity at RHIC
Rømer and the Finite Speed of Light
Rømer og refraktionen.
Rømer [Römer, Roemer], Ole [Olaf] Christensen (1644-1710)