Paston S.A., Sheykin A.A., “From the embedding theory to general relativity in a result of inflation”, Internat. J. Modern Phys. D, 21:5 (2012), 1250043, 19 pp.
Mielke E.W., “Weak equivalence principle from a spontaneously broken gauge theory of gravity”, Phys. Lett. B, 702:4 (2011), 187–190