Synthesizing recurrence relations I: analysis of the problems. - Jacques Calmet; Ian Cohen (SIGSAM Bull., 1983)

Obtaining Exact Steady-state Responses in Driven Undamped Oscillators. - Ian Cohen; Karl-Erik Thylwe (ISSAC, 1991)

FLIP: Flexibel Learning in Physics and Mechanics. - Ian Cohen; G. Edvinsson; R. Hsieh; Christer Johannesson; K. E. Johandsson; Göran Karlsson; S. Nilsson; L. Pettersson (CALISCE, 1996)

Distance Tutoring of Mechanics in a Global Framework. - Göran Karlsson; Ian Cohen; Tony Burden; David Dodd (AICT/SAPIR/ELETE, 2005)