Chapman, Stephen. High-Density Repository Storage: An Evaluation and Comparison of Costs at Harvard and OCLC Is Repository Storage Affordable? [en ligne]. 2004 [consulté le 27 avril 2024]. Disponible sur le Web :
<https://www.enssib.fr/bibliotheque-numerique/documents/1417-high-density-repository-storage-an-evaluation-and-comparison-of-costs-at-harvard-and-oclc-is-repository-storage-affordable.pdf>.