@article{DBLP:journals/compsec/Lynch91,
author = {Paul Lynch},
title = {Beyond RACF: Extending user authentication controls},
journal = {Computers {\&} Security},
volume = {10},
number = {8},
year = {1991},
pages = {711-722},
ee = {http://dx.doi.org/10.1016/0167-4048(91)90090-Z},
bibsource = {DBLP, http://dblp.uni-trier.de}
}