Rieger, H. (1974). Power and energy and alternating-current circuits. Siemens.
Cita Chicago Style (17a ed.)Rieger, Heinz. Power and Energy and Alternating-current Circuits. Berlín: Siemens, 1974.
Cita MLA (8a ed.)Rieger, Heinz. Power and Energy and Alternating-current Circuits. Siemens, 1974.
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