Protective relays : their theory & practice vol.2
Warrington, A. R. van C.
Protective relays : their theory & practice vol.2 A. R. van C. Warrington - London: Chapman & Hall, 1969. - 380 p.
Protective relays : their theory & practice vol.2 A. R. van C. Warrington - London: Chapman & Hall, 1969. - 380 p.
