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Dyfyniad Arddull ChicagoSingh, Chanan, and Roy Billinton. System Reliability Modelling and Evaluation. London: Hutchinson, 1977.
Dyfyniad MLASingh, Chanan, and Roy Billinton. System Reliability Modelling and Evaluation. Hutchinson, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.