Mechanisms for increasing the usability of grid security. - Bruce Beckles; Von Welch; Jim Basney (Int. J. Hum. Comput. Stud., 2005)

Formal Modelling of a Usable Identity Management Solution for Virtual Organisations - Ali Nasrat Haidar; Peter V. Coveney; Ali E. Abdallah; Peter Y. A. Ryan; Bruce Beckles; J. M. Brooke; M. A. S. Jones (FAVO, 2009)

Audited credential delegation - a user-centric identity management solution for computational grid environments. - Ali Nasrat Haidar; Stefan J. Zasada; Peter V. Coveney; Ali E. Abdallah; Bruce Beckles (IAS, 2010)