@article{East_2017,
title={Combining GPS & survey data improves understanding of visitor behaviour},
volume={61},
ISSN={0261-5177},
url={http://dx.doi.org/10.1016/j.tourman.2017.02.021},
DOI={10.1016/j.tourman.2017.02.021},
journal={Tourism Management},
publisher={Elsevier BV},
author={East,
Duncan and Osborne,
Patrick and Kemp,
Simon and Woodfine,
Tim},
year={2017},
month=aug,
pages={307–320} }