Warrington, A. R. V. (1971). Protective relays: Their theory and practice (2nd ed.). Chapman & Hall.
Chicago Style aipamenaWarrington, A R Van. Protective Relays: Their Theory and Practice. 2nd ed. London: Chapman & Hall, 1971.
MLA aipamenaWarrington, A R Van. Protective Relays: Their Theory and Practice. 2nd ed. Chapman & Hall, 1971.
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