@article{parshall2010modeling,
  title = {Modeling energy consumption and CO2 emissions at the urban scale: Methodological challenges and insights from the United States}
  author = {Parshall, Lily; Gurney, Kevin; Hammer, Stephen A.; Mendoza, Daniel; Zhou, Yuyu; Geethakumar, Sarath},
  journal = {Energy Policy},
  url = {http://www.sciencedirect.com/science/article/pii/S0301421509005163},
  doi = {10.1016/j.enpol.2009.07.006},
  year = {2010}
}