Penning, F. M. (1957). Electrical discharges in gases. Philips Technical Library.
Chicago Style (17th ed.) CitationPenning, F. M. Electrical Discharges in Gases. La Haya: Philips Technical Library, 1957.
MLA citiranjePenning, F. M. Electrical Discharges in Gases. Philips Technical Library, 1957.
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