Harker, R. J. (1983). Centralized methods of vibration analysis. Wiley Eastern.
Dyfyniad Arddull ChicagoHarker, Ralph J. Centralized Methods of Vibration Analysis. New York: Wiley Eastern, 1983.
Dyfyniad MLAHarker, Ralph J. Centralized Methods of Vibration Analysis. Wiley Eastern, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.