CABRI, An Interactive System for Graph Manipulation. - M. Dao; Michel Habib; J. P. Richard; Didier Tallot (WG, 1986)

Entropy. - J. P. Richard (Concise Encyclopedia of Modelling & Simulation, 1992)

State-Space Modelling and Transformations. - J. P. Richard; Pierre Borne (Concise Encyclopedia of Modelling & Simulation, 1992)