@article{ref1,
title="Application of Electricity to Signalling for Road Transport - A Review of Progress",
journal="Proceedings of the Institution of Electrical Engineers",
year="1949",
author="Sinclair, GF",
volume="96",
number="99",
pages="178-184",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0020-3270",
doi="",
url="http://dx.doi.org/"
}