@article{Liu_2017,
title={Dependency distance: A new perspective on syntactic patterns in natural languages},
volume={21},
ISSN={1571-0645},
url={http://dx.doi.org/10.1016/j.plrev.2017.03.002},
DOI={10.1016/j.plrev.2017.03.002},
journal={Physics of Life Reviews},
publisher={Elsevier BV},
author={Liu,
Haitao and Xu,
Chunshan and Liang,
Junying},
year={2017},
month=jul,
pages={171–193} }