Warrington, A. R. van C.
Protective relays : their theory and practice / by A.R. van C. Warrington. - 2nd ed. - [London] : Chapman & Hall, 1968. - xv, 484 p. : ill. ; 25 cm.
Protective relays.
Electric relays.
Protective relays : their theory and practice / by A.R. van C. Warrington. - 2nd ed. - [London] : Chapman & Hall, 1968. - xv, 484 p. : ill. ; 25 cm.
Protective relays.
Electric relays.