(1970). Transmitting tubes for communication and tubes for R. F. heating, triodes, associated accessories ([1st ed.].). Philips.
Chicago Style (17th ed.) CitationTransmitting Tubes for Communication and Tubes for R. F. Heating, Triodes, Associated Accessories. [1st ed.]. [S.l.]: Philips, 1970.
MLA (9th ed.) CitationTransmitting Tubes for Communication and Tubes for R. F. Heating, Triodes, Associated Accessories. [1st ed.]. Philips, 1970.
Warning: These citations may not always be 100% accurate.