@article{palsson2017energy,
  title = {Energy consumption in e-commerce versus conventional trade channels - Insights into packaging, the last mile, unsold products and product returns}
  author = {Pålsson, Henrik and Pettersson, Fredrik and Winslott Hiselius, Lena},
  journal = {Journal of Cleaner Production},
  url = {https://www.sciencedirect.com/science/article/pii/S0959652617314117},
  year = {2017}
}