BibTex format
@article{Harding:2021:10.1007/s11116-020-10135-7,
author = {Harding, C and Imani, AF and Srikukenthiran, S and Miller, EJ and Habib, KN},
doi = {10.1007/s11116-020-10135-7},
journal = {TRANSPORTATION},
pages = {2433--2460},
title = {Are we there yet? Assessing smartphone apps as full-fledged tools for activity-travel surveys},
url = {http://dx.doi.org/10.1007/s11116-020-10135-7},
volume = {48},
year = {2021}
}