Warrington, A. R. v. C. (1968). Protective relays: Their theory and practice (2nd ed.). Chapman & Hall.
Citace podle Chicago (17th ed.)Warrington, A. R. van C. Protective Relays: Their Theory and Practice. 2nd ed. London: Chapman & Hall, 1968.
Citace podle MLA (8th ed.)Warrington, A. R. van C. Protective Relays: Their Theory and Practice. 2nd ed. Chapman & Hall, 1968.
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