Warrington, A. R. Van C. Protective relays : their theory and practice / A. R. Van C. Warrington. - 1a ed. - New York, NY. : John Wiley, c1969 - v. : il. ; 25 cm. Incluye índice Subjects--Topical Terms: Relés protectores LC Class. No.: TK2861 / W37 1969