BibTex format
@article{Williams:2009:10.1017/S1755254009990092,
author = {Williams, RJ and Nankervis, KJ and Colborne, GR and Marlin, DJ and Schroter, RC},
doi = {10.1017/S1755254009990092},
journal = {Comp. Exercise Physiol.},
title = {Heart rate, net transport cost and stride characteristics of horses exercising at walk and trot on positive and negative gradients},
url = {http://dx.doi.org/10.1017/S1755254009990092},
year = {2009}
}