@article{Hillier_2004,
title={Rejoinder to Carlo Ratti},
volume={31},
ISSN={1472-3417},
url={http://dx.doi.org/10.1068/b3019a},
DOI={10.1068/b3019a},
number={4},
journal={Environment and Planning B: Planning and Design},
publisher={SAGE Publications},
author={Hillier,
Bill and Penn,
Alan},
year={2004},
month=aug,
pages={501–511} }