Computation Beyond Turing Machines

@article{turingmachines-cacm46,
   author = {Wegner, Peter and Goldin, Dina},
   doi = {10.1145/641205.641235},
   issn = {0001-0782},
   journal = {Communications of the ACM},
   month = apr,
   number = 4,
   pages = {100--102},
   title = {Computation Beyond {T}uring Machines},
   url = {http://dl.acm.org/citation.cfm?id=641235},
   volume = 46,
   year = 2003
}