For citations:
Kovalenko N.I., Grin E.N. SIMULTANEOUS BOTH TRACK OCCUPATION. World of Transport and Transportation. 2013;(5):98-101. (In Russ.)
Kovalenko N.I., Grin E.N. SIMULTANEOUS BOTH TRACK OCCUPATION. World of Transport and Transportation. 2013;(5):98-101. (In Russ.)