Linda Cornwall Jens Jensen David P. Kelsey Ákos Frohner Daniel Kouril Franck Bonnassieux Sophie Nicoud Károly Lörentey Joni Hahkala Mika Silander Roberto Cecchini Vincenzo Ciaschini Luca dell'Agnello Fabio Spataro David O'Callaghan Olle Mulmo Gian Luca Volpato David L. Groep Martijn Steenbakkers Andrew McNab Authentication and Authorization Mechanisms for Multi-Domain Grid Environments. 301-311 2004 2 J. Grid Comput. 4 http://dx.doi.org/10.1007/s10723-004-8182-y db/journals/grid/grid2.html#CornwallJKFKBNLHSCCdSOMVGSM04