@article{ref1,
title="Problems in air traffic management. Iv. Comparison of pre-employment, job-related experience with aptitude tests as predictors of training and job performance of air traffic control specialists. Rep 63-31",
journal="Report. Civil Aeromedical Research Institute (U.S.)",
year="1963",
author="Trites, D. K. and Cobb, B. B.",
volume="",
number="",
pages="1-11",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}