TY - JOUR TI - Reducing energy and material flows in cities PY - 2010 AU - Helga Weisz AU - Julia K Steinberger T2 - Current Opinion in Environmental Sustainability LK - http://www.sciencedirect.com/science/article/pii/S187734351000045X DO - 10.1016/j.cosust.2010.05.010 ER -