@article{Lupal2015development,
author={Lupal, N..},
title={Development of signaling, interlocking and blocking devices during the period of industrial capitalism (1861 - 1900) Part 1: Development of science and technology of railways},
journal={Transport automation research},
publisher={FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"},
year={2015},
pages={338-347},
volume={1},
issue={3},
}