@article{ref1,
title="Recent advances in activity and travel pattern modelling",
journal="Transportation",
year="2012",
author="Sivakumar, Aruna and Pinjari, Abdul Rawoof",
volume="39",
number="4",
pages="749-754",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0049-4488",
doi="10.1007/s11116-012-9401-1",
url="http://dx.doi.org/10.1007/s11116-012-9401-1"
}