Ichiro Hasuo Bart Jacobs Ana Sokolova The Microcosm Principle and Concurrency in Coalgebra. 246-260 2008 FoSSaCS http://dx.doi.org/10.1007/978-3-540-78499-9_18 conf/fossacs/2008 db/conf/fossacs/fossacs2008.html#HasuoJS08