(1997). IEEE standard inverse-time characteristic equations for overcurrent relays. New York: Institute of Electrical and Electronics Engineers.
Παραπομπή Chicago StyleIEEE Standard Inverse-time Characteristic Equations for Overcurrent Relays. New York: Institute of Electrical and Electronics Engineers, 1997.
Παραπομπή MLAIEEE Standard Inverse-time Characteristic Equations for Overcurrent Relays. New York: Institute of Electrical and Electronics Engineers, 1997.
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