Physical electronics od Urgoes!k, Bohues

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

Crossed-field microwave devices

Available for University of the Philippines System via ScienceDirect. Click here to access Vol.2
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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 od Millman, Jacob 1911-