1 |
Y.T. Kim (1998) Railway Signaling Control System, Tech Media, Seoul, p. 38.
|
2 |
J.Y. Park, W.S. Hong, B.R. Chon (2011) Railway Signaling Engineering, Dong Il Publishing Co, pp. 135-136.
|
3 |
Uoo-Kyung Control Co, (2010) Railway signaling Relay Manual, pp. 17-19, 69-71.
|
4 |
Electrical Engineering Office Data (2011) No.18, Electrical Railway Signaling Control System Planning Dept, p. 274.
|
5 |
H.W. Lee, H.Y. Cho, D.Y. Lee, S.W. Han et al. (1987) Research and Development on the Relay Contact and Cu-alloy Spring, Korea Electro-technology Research Institute(KERI), pp. 13-20, 32-40.
|
6 |
G.B. Kwon, T.W. Nam (2005) Treatment Condition and the Oxidation Process on the Microstructure of AgCdo Contact Materials, H.Y. University, Journal of Korea Foundrymen's Society, 25(6), p. 2.
|
7 |
Electric contact material for electric communication equipment and apparatus (2011) Approved KSC 2057, p. 2.
|
8 |
K.H. Back (2011) The Summary of electric contactor, Kung sung Metallurgy p. 11.
|
9 |
Japan Science Metallurgy Co, (2006) A Summary of Electric Contactor, pp. 10-11.
|
10 |
Harold. N. Wager (1969) predicting the Erosion of Switching Contacts that Break Inductive Load, IEEE Trans., Vol, PMP-5, No. 1.
|
11 |
R. Holm (1985) Electric contact hand book, p. 15.
|