@Misc {d.ap2011,
author = {S. {De Capitani di Vimercati} and P. Samarati},
editor = {{H.C.A.} {van Tilborg} and S. Jajodia},
booktitle = {Encyclopedia on Cryptography and Security},
title = {Administrative Policies},
publisher = {Springer},
year = {2011}
}