The Chinese Urban Metabolic Efficiencies Based on the DEA and Malmquist
Xue-ting CHEN, Tao SONG, Jian-ming CAI, Le LI, Yu DENG
SCIENTIA GEOGRAPHICA SINICA . 2015, (4): 419 -426 .  DOI: 10.13249/j.cnki.sgs.2015.04.419