@article{ref1,
title="Spatial orientation in man: effects of left, right, and bilateral posterior cerebral lesions",
journal="Journal of neurology, neurosurgery, and psychiatry",
year="1973",
author="Ratcliff, G. and Newcombe, F.",
volume="36",
number="3",
pages="448-454",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3050",
doi="",
url="http://dx.doi.org/"
}