Susan Stepney, Samuel L. Braunstein, John A. Clark, Andrew M. Tyrrell, Andrew Adamatzky, Robert E. Smith, Tom Addis, Colin G. Johnson, Jonathan Timmis, Peter H. Welch, Robin Milner, Derek Partridge. Journeys in non-classical computation I: A grand challenge for computing research. IJPEDS, 20(1):5-19, 2005. [doi]
Abstract is missing.