@article{ref1,
title="Speeds and Normal Accelerations of Boeing "Clipper" Aircraft on North and South Atlantic Routes",
journal="OR: Operational research quarterly (1953)",
year="1953",
author="Jones, DT",
volume="4",
number="1",
pages="17-17",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1473-2858",
doi="",
url="http://dx.doi.org/"
}