@article{72d354c954da48f885c9d2e2fd88be94,
title = "A role-based access in a hierarchical sensor network architecture to provide multilevel security",
keywords = "Access control, Hasse diagram, Security, Wireless sensor networks",
author = "Biswajit Panja and Madria, \{Sanjay Kumar\} and Bharat Bhargava",
year = "2008",
month = mar,
day = "5",
doi = "10.1016/j.comcom.2007.10.036",
language = "English",
volume = "31",
pages = "793--806",
journal = "Computer Communications",
issn = "0140-3664",
number = "4",
}