@article{ref1,
title="Peripheral vision cues: their effect on pilot performance during instrument landing approaches and recoveries from unusual attitudes. AM 68-12",
journal="AM reports",
year="1968",
author="Hasbrook, A. Howard and Young, P. E.",
volume="",
number="",
pages="1-17",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1545-1518",
doi="",
url="http://dx.doi.org/"
}