1. Asplan Viak. 2022. ‘Reisevaner i Oslo og Viken. En analyse av nasjonal reisevaneundersøkelse 2018/19’ Report 242 commissioned by Prosam and Ruter available at (including data sets updated after report publication): https://www.prosam.org/index.php?page=report&nr=242 .
2. Bø E. and I. B. Hovi. 2022. ‘How can parcel lockers contribute to more efficient and environmentally friendly E-commerce?’ Paper presented at NOFOMA conference 8–10th June 2022 Reykjavik Iceland .
3. Buser M. 2021. ‘The willingness of parcel locker use: A comparative case study of Groningen and Ten Boer’ BSc thesis University of Groningen the Netherlands available at: https://frw.studenttheses.ub.rug.nl/3637/1/BachelorProject_Final_MaaikeBuser_S3458822.pdf .
4. Caspersen E. G. N. Jordbakke and M. Knapskog. 2023. ‘Pakkeskapets uforløste potensial – Erfaringer fra Drammen Asker Bærum og Oslo’ TØI report 1943/2022 available at: https://www.toi.no/getfile.php?mmfileid=74907 .
5. Last mile logistics: Research trends and needs