@InCollection {dis-policy20,
author = {S. {De Capitani di Vimercati} and S. Foresti and P.
Samarati},
editor = {J. Vacca},
booktitle = {Cloud Computing Security: Foundations and Challenges, 2nd Edition},
title = {Specification and Enforcement of Access Policies in Emerging Scenarios},
publisher = {CRC Press},
year = {2020}
}