Terman, F. E., & Helliwell, R. A. (1955). Electronic and radio engineering (4th ed.). New York, NY: McGraw-Hill Book Company.
Παραπομπή Chicago StyleTerman, Frederick Emmons, and Robert Arthur Helliwell. Electronic and Radio Engineering. 4th ed. New York, NY: McGraw-Hill Book Company, 1955.
Παραπομπή MLATerman, Frederick Emmons, and Robert Arthur Helliwell. Electronic and Radio Engineering. 4th ed. New York, NY: McGraw-Hill Book Company, 1955.
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