Reference Frames And Gravitomagnetism, Procs Of The Xxiii Spanish Relavitivity Meeting

Spacetime splitting techniques and gravitoelectromagnetism in general relativity, D. Bini and R.T. Jantzen; black hole astrophysics - gravitomagnetism and non-Keplerian orbits, F. de Felice; gravitoelectromagnetism, B. Mashhoon; properties of bel currents, R. Lazkoz et al; on cyclically symmetrical spacetimes, A. Barnes; scalar field cosmologies, J. Carot and M.M. Collinge; ideas gas stephani universes, B. Coll and J.J. Ferrando; comments on purely electric weyl tensors, J.J. Ferrando and J.A. Saez; advance of mercury perihelion explained by cogravity, C.J. de Matos and M. Tajmar; the intrinsic structure of the Petrov classification, J.M. Pozo and J.M. Parra; other papers.