TY - JOUR TI - Carbon footprinting of cities and implications for analysis of urban material and energy flows. PY - 2012 AU - A. Ramaswami AU - A. Chavez AU - M. Chertow T2 - Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources LK - https://www.cabdirect.org/cabdirect/abstract/20133033397 ER -