TY - JOUR TI - Urban metabolism based on emergy and slack based model: A case study of Beijing, China PY - 2015 AU - Tao Song AU - Jianming Cai AU - Hui Xu AU - Yu Deng AU - Fangqu Niu AU - Zhenshan Yang AU - Shanshan Du T2 - Chinese Geographical Science LK - https://doi.org/10.1007/s11769-014-0680-7 DO - 10.1007/s11769-014-0680-7 ER -