@inproceedings{operationmanagementofgreenportsand,
  title = {Operation management of green ports and shipping networks: overview and research opportunities},
  author = {Lu ZHEN and Dan ZHUGE and Liwen MURONG and Ran Yan and Shuaian W ANG},
  year = {2019},
  booktitle = {Frontiers of Engineering Management 2019 3},
  url = {http://link.springer.com/10.1007/s42524-019-0027-2},
}