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Dyfyniad Arddull ChicagoNarlikar, Jayant V. Introduction to Relativity. Delhi: Cambridge University press, 2010.
Dyfyniad MLANarlikar, Jayant V. Introduction to Relativity. Cambridge University press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.