Physical electronics per Urgoes!k, Bohues

Principles of electron tubes, including grid-controlled tubes, microwave tubes, and gas tubes per Gewartowski, J. W. (James W.)

Crossed-field microwave devices

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Available for University of the Philippines System via ScienceDirect. Click here to access Vol.3
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access Vol.3 thru EZproxy

Vacuum-tube and semiconductor electronics per Millman, Jacob 1911-