Symonds, A. (1980). Electrical power equipment and measurements: With heavy current electrical applications (2a. ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Symonds, Alan. Electrical Power Equipment and Measurements: With Heavy Current Electrical Applications. 2a. ed. Londres: McGraw-Hill, 1980.
MLA-čujuhus (9. p.)Symonds, Alan. Electrical Power Equipment and Measurements: With Heavy Current Electrical Applications. 2a. ed. McGraw-Hill, 1980.
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