.Rao, S. S. (1992). Switchgear and protection (10th ed.). Khanna Publishers.
Chicago-čujuhus (17. p.).Rao, Sunil S. Switchgear and Protection. 10th ed. Delhi: Khanna Publishers, 1992.
MLA-čujuhus (9. p.).Rao, Sunil S. Switchgear and Protection. 10th ed. Khanna Publishers, 1992.
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