SIEMENS. (1989). ALTERNATING VOLTAGE AND CURRENT. WILEY EASTERN.
Chicago-čujuhus (17. p.)SIEMENS. ALTERNATING VOLTAGE AND CURRENT. WILEY EASTERN, 1989.
MLA-čujuhus (9. p.)SIEMENS. ALTERNATING VOLTAGE AND CURRENT. WILEY EASTERN, 1989.
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