@article{ref1,
title="On the escape of tigers: an ecologic note",
journal="American journal of public health",
year="1970",
author="Haddon, William",
volume="60",
number="12",
pages="2229-2234",
abstract="Abstract unavailable",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}