American Telephone and Telegraph Company. (1923). The application of electricity and magnetism to transmission in the telephone plant. American Telephone and Telegraph Company.
Chicago-čujuhus (17. p.)American Telephone and Telegraph Company. The Application of Electricity and Magnetism to Transmission in the Telephone Plant. Dallas: American Telephone and Telegraph Company, 1923.
MLA-čujuhus (9. p.)American Telephone and Telegraph Company. The Application of Electricity and Magnetism to Transmission in the Telephone Plant. American Telephone and Telegraph Company, 1923.
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