@incollection {vivas2007, title = {Grid Security Architecture: Requirements, Fundamentals, Standards and Models}, booktitle = {Security in Distributed, Grid, Mobile, and Pervasive Computing}, year = {2007}, month = {April}, pages = {255-288}, publisher = {Auerbach Publications}, organization = {Auerbach Publications}, isbn = {9780849379215}, author = {Jose L. Vivas and Jose A. Montenegro and Javier Lopez}, editor = {Y. Xiao} }