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Dyfyniad Arddull ChicagoCharles L. Phillips. Feedback Control Systems. New Jersey: Prentice Hall International, Inc, 2000.
Dyfyniad MLACharles L. Phillips. Feedback Control Systems. New Jersey: Prentice Hall International, Inc, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.