BibTex format
@article{Hu:2013:10.1287/mnsc.2013.1740,
author = {Hu, M and Shi, M and Wu, J},
doi = {10.1287/mnsc.2013.1740},
journal = {MANAGEMENT SCIENCE},
pages = {2805--2822},
title = {Simultaneous vs. Sequential Group-Buying Mechanisms},
url = {http://dx.doi.org/10.1287/mnsc.2013.1740},
volume = {59},
year = {2013}
}