Raymond R. Devillers Hanna Klaudel Robert-C. Riemann General parameterised refinement and recursion for the M-net calculus. 259-300 2003 300 Theor. Comput. Sci. 1-3 http://dx.doi.org/10.1016/S0304-3975(02)00088-9 db/journals/tcs/tcs300.html#DevillersKR03