SINGH, R. (2011). SWITCHGEAR & POWER SYSTEMS PROTECTION. PHI.
Chicago-čujuhus (17. p.)SINGH, R.P. SWITCHGEAR & POWER SYSTEMS PROTECTION. NEW DELHI: PHI, 2011.
MLA-čujuhus (9. p.)SINGH, R.P. SWITCHGEAR & POWER SYSTEMS PROTECTION. PHI, 2011.
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