Warrington, A.R. van C.
Protective relays : their theory and practice - London Chapman & Hall - 2 v.
1968-69 : 013688 - v.1; 013689 - v.2; 020498 - v.1 (484 p.; 380 p.); diags.
621.316.925 / W3
Protective relays : their theory and practice - London Chapman & Hall - 2 v.
1968-69 : 013688 - v.1; 013689 - v.2; 020498 - v.1 (484 p.; 380 p.); diags.
621.316.925 / W3