Low-voltage switchgear /
Schmelcher, Theodor.
Edlmayr, Franz.
Krause, Kurt.
Weston, Colin.
Berlin Siemens AG London Heyden
1976
Translation of: 'Niederspannungsschaltgeräte'. Berlin : Siemens AG, 1973
Bibliography: p.131. - Includes index
Electric switchgear.