Sistemas de protecção eléctrica / José Matias
Extra high voltage transmission in sweden / Lars Berglund...[et al]
Connection and installation parts for combiflex modular system : catalogue RK92-10E
Switchgear and control handbook / Robert W. Smeaton
Protective Relays : their theory and practice / A.R. van C. Warrington
Remote instrumentation and control of mining operations / English Electric
The protection of domestic circuits / English Electric Company, Ldª
Modern power station practice / Central Electricity Generation Board
Switched mho phase fault distance protection scheme, type EEM3V / English Electric Company, Ldª
The application of distance relays types xcg and ycg for the protection of overhead lines / English Electric Company, Ldª
Electric fuses / H. Läpple
Journées d' information sur la protection des réseaux 1950 / Brown, Boveri