@inproceedings {PJCS-96b, title = {Approximate Throughput Computation of a Class of Cooperating Sequential Processes}, year = {1996}, month = {5}, pages = {382-389}, url = {http://webdiis.unizar.es/CRPetri/papers/jcampos/96_PJCS_b.ps.gz}, author = {C.J. P{\'e}rez-Jim{\'e}nez and J. Campos and M. Silva} }