Einar Broch Johnsen Olaf Owe Joakim Bjørk Marcel Kyas An Object-Oriented Component Model for Heterogeneous Nets. 257-279 2007 FMCO http://dx.doi.org/10.1007/978-3-540-92188-2_11 conf/fmco/2007 db/conf/fmco/fmco2007.html#JohnsenOBK07