@proceedings{zhao2012analysis, title = {Analysis on the Characteristic of Energy Flow in Urban Ecological Economic System—A Case of Xiamen City} author = {Zhao, W.}, publisher = {Procedia Environmental Sciences}, url = {http://www.sciencedirect.com/science/article/pii/S1878029612002174}, doi = {10.1016/j.proenv.2012.01.216}, year = {2012} }