Internet X.509 Public Key Infrastructure: Certification Path Building. - Matt Cooper; Yuriy Dzambasow; Peter Hesse; Susan Joseph; Richard Nicholas (RFC, 2005)

An R package for implementing simulations for seamless phase II/III clinical trials using early outcomes for treatment selection. - Nick R. Parsons; Tim Friede; Susan Todd; Elsa Valdes Marquez; Jeremy Chataway; Richard Nicholas; Nigel Stallard (Comput. Stat. Data Anal., 2012)