Secure Billing for Mobile Information Services in UMTS. - Keith M. Martin; Bart Preneel; Chris J. Mitchell; Hans-Joachim Hitz; Günther Horn; Alla Poliakova; Peter Howard (IS&N, 1998)

Stability of Transition Front Solutions in Multidimensional Cahn-Hilliard Systems. - Peter Howard (J. Nonlinear Sci., 2016)