%0 Journal Article
%T Development of signalling, centralization and blocking devices during the period of industrial capitalism (1861-1900). Part 4: Centralization of switches and signals
%A Lupal, N.V.
%K St. Petersburg - Moscow railway, centralization, semaphore, switch, lock
%J Transport automation research
%D 2016
%N 2
%P 10
%I FSBEI HE &quot;Emperor Alexander I St. Petersburg State Transport University&quot;