@article{ref1,
title="A Monte Carlo Problem in Underground Communications",
journal="OR: Operational research quarterly (1953)",
year="1958",
author="Clapham, J. C. R.",
volume="9",
number="1",
pages="36-54",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1473-2858",
doi="",
url="http://dx.doi.org/"
}