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Dyfyniad Arddull ChicagoRajasekharan, Pt. Nobel Laureates All 1901-19990. New Delhi: Panther Publishers, 1991.
Dyfyniad MLARajasekharan, Pt. Nobel Laureates All 1901-19990. Panther Publishers, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.