Protective relays: their theory and practice
Warrington, A R Van
Protective relays: their theory and practice - 2nd ed. - London Chapman & Hall 1971 - 2v.
Power systems protection protective relays
621.316.925
Protective relays: their theory and practice - 2nd ed. - London Chapman & Hall 1971 - 2v.
Power systems protection protective relays
621.316.925