@article{gao2019pathways,
  title = {Pathways towards regional circular economy evaluated using material flow analysis and system dynamics}
  author = {Gao, Chengkang; Gao, Chengbo; Song, Kaihui; Fang, Kejing},
  journal = {Resources, Conservation and Recycling},
  url = {http://www.sciencedirect.com/science/article/pii/S0921344919304331},
  doi = {10.1016/j.resconrec.2019.104527},
  year = {2019}
}