@article{Hickmann2018,
  author    = {Thomas Hickmann},
  title     = {Voluntary global business initiatives and the international climate negotiations},
  journal   = {Journal of Cleaner Production},
  series    = {a case study of the Greenhouse Gas Protocol},
  volume    = {169},
  pages     = {94 -- 104},
  doi       = {10.1016/j.jclepro.2017.06.183},
  year      = {2018},
}