@incollection{Liu12,
author = {Steven Chien and Xiaobo Liu},
title = {An Investigation of Measurement for Travel Time Variability},
booktitle = {Intelligent Transportation Systems},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Ahmed Abdel-Rahim},
chapter = {2},
doi = {10.5772/27683},
url = {https://doi.org/10.5772/27683}
}