@article{ref1,
title=""You can make a bicycle tyre 20 grams lighter by filling it with helium, and in racing every gram counts"",
journal="New scientist",
year="2012",
author="McDowell, Alex",
volume="215",
number="2882",
pages="65-65",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0262-4079",
doi="",
url="http://dx.doi.org/"
}