%0 Conference Paper %B 12th International Conference on Application and Theory of Petri Nets %D 1991 %T A Reachable Throughput Upper Bound for Live and Safe Free Choice Nets %A J. Campos %A J.M. Colom %C Gjern, Denmark %I IBM Deutschland %P 237-256 %U http://webdiis.unizar.es/CRPetri/papers/jcampos/91_CC_Gjern.ps.gz %8 06/1991