The 8th volume of ToPNoC contains revised and extended versions of a selection of the best workshop papers presented at the 33rd International Conference on Application and Theory of Petri Nets and Other Models of Concurrency (Petri Nets 2012).

Comparing Metabolic Pathways through Reactions and Potential Fluxes.- Modeling and Analyzing Wireless Sensor Networks with VeriSensor: An Integrated Workflow.- Local State Refinement and Composition of Elementary Net Systems: An Approach Based on Morphisms.- From Code to Coloured Petri Nets: Modelling Guidelines.- Using Integer Time Steps for Checking Branching Time Properties of Time Petri Nets.- When Can We Trust a Third Party?: A Soundness Perspective.- Hybrid Petri Nets for Modelling the Eukaryotic Cell Cycle.- Simulative Model Checking of Steady State and Time-Unbounded Temporal Operators.- Model-Driven Middleware Support for Team-Oriented Process Management.- Grade/CPN: A Tool and Temporal Logic for Testing Colored Petri Net Models in Teaching.

Contains the best papers selected from the workshops PNSE 2012, CompoNet 2012, LAM 2012, and BioPNN Topics covered range from model checking and system verification to synthesis Petri-net-based standards and innovative applications of Petri nets and other models of concurrency are also covered