00707naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200017900102210010100281215001000382608002700392675006700419700002200486856001700508EN\\bibl\8181020241204115146.3##a2412-9186##a20160325b2016####ek#y0engy0150####ca0#aRUS##aRU1#aDevelopment of signaling, centralization and blocking devices during the period of industrial capitalism (1861-1900). Part 3: Traffi c control on open lineseJournal article1#aSaint-PetersburgcFSBEI HE "Emperor Alexander I St. Petersburg State Transport University"d2016##a7 с.##aJournal article2local##aМеры безопасности. Сигналы. 656.25zRUS#1aLupalgNikolay V 4#aatjournal.ru