Valkenburgh, V., & Nooger. (2002). Basic synchros and servo mechanism. Sterling.
Dyfyniad Arddull ChicagoValkenburgh, Van, and Nooger. Basic Synchros and Servo Mechanism. Mumbai: Sterling, 2002.
Dyfyniad MLAValkenburgh, Van, and Nooger. Basic Synchros and Servo Mechanism. Sterling, 2002.
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