@article{ref1,
title="Research on monocular depth perception between 1884 and 1914: influence of the German Unfallversicherungsgesetz and of the jurisdiction of the Reichsversicherungsamt",
journal="Perception",
year="1982",
author="Hell, Wolfram",
volume="10",
number="6",
pages="683-694",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0301-0066",
doi="",
url="http://dx.doi.org/"
}