@article{ref1,
title="Evidence photography: an overview",
journal="Journal of biological photography",
year="1987",
author="Spring, G. E.",
volume="55",
number="4",
pages="129-132",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0274-497X",
doi="",
url="http://dx.doi.org/"
}