@article{ref1,
title="Effect of time zone changes on the sleep patterns of BOACB. 707 crews on world-wide schedules",
journal="Aerospace medicine",
year="1970",
author="Bateman, S. C. and Preston, F. S.",
volume="41",
number="12",
pages="1409-1415",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}