@article{ref1,
title="Optic Flow and Visual Analysis of the Base-to-Final Turn",
journal="International journal of aviation psychology",
year="1997",
author="Beall, A. C. Jr and Loomis, Jack M.",
volume="7",
number="3",
pages="201-223",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="1050-8414",
doi="10.1207/s15327108ijap0703_2",
url="http://dx.doi.org/10.1207/s15327108ijap0703_2"
}