Rybalko P. A., Chursin Y. A. & Chursin Y. A.The development of automatic control device for track-rail lubrication. : .
Rybalko P A, Chursin Yu A and Chursin Yu A.The development of automatic control device for track-rail lubrication. : .
Rybalko P. A., Chursin Y. A. and Chursin Y. A.The development of automatic control device for track-rail lubrication. : .
Rybalko P A, Chursin Yu A and Chursin Yu A.: . .