- M.D. Pollock, “Compactification and inflation in the superstring theory from the condensation of gravitino pairs”, Physics Letters B, 199, no. 4, 1987, 509
- Matthias Blau, “Symmetries and pseudo-Riemannian manifolds”, Reports on Mathematical Physics, 25, no. 1, 1988, 109
- Gary W. Gibbons, The Arrows of Time, 2012, 109
- Rodrigo Maier, Nelson Pinto-Neto, Ivano Damião Soares, “Bouncing model in brane world theory”, Phys. Rev. D, 87, no. 4, 2013, 043528
- Boris L. Altshuler, “Kaluza-Klein ansatz for quadratic-curvature theory. A geometrical way to mass hierarchy”, Phys. Rev. D, 35, no. 12, 1987, 3804