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Dyfyniad Arddull ChicagoPain, H. J. The Physics of Vibrations and Waves. Fifth edition. Chichester ; New York : Wiley India: Wiley; New Delhi, 2007.
Dyfyniad MLAPain, H. J. The Physics of Vibrations and Waves. Fifth edition. Wiley; New Delhi, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.