@article{ref1,
title="Congruent and spurious motion in the learning and performance of a compensatory tracking task",
journal="Human factors",
year="1972",
author="Wall, R. L. and Guercio, J. G.",
volume="14",
number="3",
pages="259-269",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}