Trust Issues in Shibboleth-Enabled Federated Grid Authentication and Authorization Infrastructures Supporting Multiple Grid Middleware. - Christian Grimm; Ralf Groeper; Siegfried Makedanz; Hans Pfeiffenberger; Peter Gietz; Martin Haase; Michael Schiffers; Wolfgang Ziegler (eScience, 2007)

A concept for attribute-based authorization on D-Grid resources. - Ralf Groeper; Christian Grimm; Siegfried Makedanz; Hans Pfeiffenberger; Wolfgang Ziegler; Peter Gietz; Michael Schiffers (Future Gener. Comput. Syst., 2009)