User guide to TIM, a ray-tracing program for forbidden ray optics - Dean Lambert; Alasdair C. Hamilton; George Constable; Harsh Snehanshu; Sharvil Talati; Johannes Courtial (CoRR, 2011)

TIM, a ray-tracing program for METATOY research and its dissemination. - Dean Lambert; Alasdair C. Hamilton; George Constable; Harsh Snehanshu; Sharvil Talati; Johannes Courtial (Comput. Phys. Commun., 2012)

Dr TIM: Ray-tracer TIM, with additional specialist scientific capabilities. - Stephen Oxburgh; Tomás Tyc; Johannes Courtial (Comput. Phys. Commun., 2014)