@article{weisz2010reducing,
  title = {Reducing energy and material flows in cities}
  author = {Weisz, Helga; Steinberger, Julia K},
  journal = {Current Opinion in Environmental Sustainability},
  url = {http://www.sciencedirect.com/science/article/pii/S187734351000045X},
  doi = {10.1016/j.cosust.2010.05.010},
  year = {2010}
}