@article{ref1,
title="Dumpers, rips, and other hazards for the environmental surfer",
journal="Injury prevention",
year="1999",
author="Langley, John Desmond",
volume="5",
number="2",
pages="84-84",
abstract="Abstract unavailable.",
language="en",
issn="1353-8047",
doi="",
url="http://dx.doi.org/"
}