@article{ref1,
title="Safety Factor Approximation Based on Turkeys Lambda Distribution",
journal="Operational research quarterly",
year="1977",
author="Silver, EA",
volume="28",
number="3",
pages="743-746",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0030-3623",
doi="",
url="http://dx.doi.org/"
}