Deismireacht APA

Spangenberg, K. R. (1948). Vacuum tubes. McGraw-Hill Book Co..

Chicago Edition Citation

Spangenberg, Karl R. Vacuum Tubes. New York: McGraw-Hill Book Co., 1948.

Deismireacht MLA

Spangenberg, Karl R. Vacuum Tubes. McGraw-Hill Book Co., 1948.

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