@misc{Smith_2015, title={Wildlife Crossing Structures: An Effective Strategy to Restore or Maintain Wildlife Connectivity Across Roads}, ISBN={9781118568170}, url={http://dx.doi.org/10.1002/9781118568170.ch21}, DOI={10.1002/9781118568170.ch21}, journal={Handbook of Road Ecology}, publisher={Wiley}, author={Smith, Daniel J. and van der Ree, Rodney and Rosell, Carme}, year={2015}, month=Apr, pages={172–183} }