@article{ref1,
title="A comparison of response confirmation techniques for an adjunctive self-study program. AMRL-TR-66-98",
journal="Aerospace medical research laboratories technical reports",
year="1966",
author="Meyer, D. E.",
volume="1966",
number="",
pages="1-23",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0192-317X",
doi="",
url="http://dx.doi.org/"
}