Electric Relays - Principles and Applications - Gurevich (CRC, 2006).pdf
Electrical Contacts - Fundamentals, Applications and Technology - Braunovic, et al (CRC, 2006).pdf
Electrical Contacts - Principles and Applications, 2nd ed - Slade (CRC, 2013).pdf
Engineering Reference - Relays (Fujitsu, 2009).pdf
Modern Relay, The (SDS Relais) - Eichmeier (Verlag Moderne Industrie, 1988) [2up scan].pdf
Electric Relays - Principles and Applications - Gurevich (CRC, 2006).pdf
Electrical Contacts - Fundamentals, Applications and Technology - Braunovic, et al (CRC, 2006).pdf
Electrical Contacts - Principles and Applications, 2nd ed - Slade (CRC, 2013).pdf
Engineering Reference - Relays (Fujitsu, 2009).pdf
Modern Relay, The (SDS Relais) - Eichmeier (Verlag Moderne Industrie, 1988) [2up scan].pdf