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Dyfyniad Arddull ChicagoSanz, J L., and L J. Giocoechea. Observational and Theoretical Aspects of Relativistic Astrophysics and Cosmology [proceedings]. Singapore: World Scientific, 1985.
Dyfyniad MLASanz, J L., and L J. Giocoechea. Observational and Theoretical Aspects of Relativistic Astrophysics and Cosmology [proceedings]. World Scientific, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.