Bilaketaren emaitzak - "Frequency changers."

The modern converter and filter circuit encyclopedia nork Graf, Rudolf F.

The switching function analysis of power electronic circuits nork Marouchos, C. C. (Christos C.)

Available for University of the Philippines Diliman via IET Digital Library. Click here to access
Also available remotely for University of the Philippines Diliman via IET Digital Library. Click here to access thru EZproxy