@ARTICLE {9708,
author={O. Pereira and R.  Aguiar},
doi={},
journal={International Journal of Computer Science: Theory and Application},
title={Distributed and Typed Role-based Access Control Mechanisms Driven by CRUD Expressions},
year={2014},
month={October},
volume={2},
number={1},
pages={1-11},
ISSN={}
}