Warrington, A.R. van C.
Protective relays : their theory and practice / A.R. van C. Warrington. - London : Chapman and Hall, 1969. - 2 v.
0412089602
Protective relays.
Protective relays : their theory and practice / A.R. van C. Warrington. - London : Chapman and Hall, 1969. - 2 v.
0412089602
Protective relays.