Anu Purhonen Eila Niemelä Mari Matinlassi Viewpoints of DSP software and service architectures. 57-73 2004 69 Journal of Systems and Software 1-2 http://dx.doi.org/10.1016/S0164-1212(03)00050-5 db/journals/jss/jss69.html#PurhonenNM04