@article{compref654,
   author = {Blum,L and Cucker,F and Shub,M and Smale,S},
   year = {1996},
   title = {Complexity and Real Computation: A Manifesto},
   journal = {International Journal of Bifurcation and Chaos},
   volume = {6},
   pages = {3-26}
}

@article{compref302,
   author = {Siegelmann,HT},
   year = {1995},
   title = {Computation Beyond the turing Limit},
   journal = {Science},
   volume = {268},
   pages = {545-548}
}

@book{compref71,
   author = {Casti,JL},
   year = {1992},
   title = {Reality Rules: II. picturing the world in Mathematics: The frontier},
   publisher = {John-Wiley},
   address = {New York}
}

@book{compref287,
   author = {Rosen,R},
   year = {1991},
   title = {Life Itself - A Comprehensive Enquiry into the Nature, Origin and Fabrication of Life},
   publisher = {Columbia University Press},
   address = {New York}
}

@article{compref329,
   author = {Turney,P},
   year = {1990},
   title = {Problems with Complexity in Gold's Paradigm of Induction-Part I: Dynamic Complexity},
   journal = {International Journal of General Systems},
   volume = {17},
   pages = {329-342}
}

@article{compref328,
   author = {Turney,P},
   year = {1990},
   title = {Problems with Complexity in Gold's Paradigm of Induction--Part II: Static Complexity},
   journal = {International Journal of General Systems},
   volume = {17},
   pages = {343-358}
}

@article{compref224,
   author = {Machlin,R},
   year = {1990},
   title = {The Complex Behaviour of Simple Machines},
   journal = {Physica D},
   volume = {42},
   pages = {85-98}
}

@book{compref81,
   author = {Chaitin,GJ},
   year = {1987},
   title = {Algorithmic Information Theory},
   publisher = {Cambridge University Press},
   address = {Cambridge}
}

@article{compref300,
   author = {Shapiro,S},
   year = {1981},
   title = {Understanding Church's Thesis},
   journal = {Journal of Philosophical Logic},
   volume = {10},
   pages = {353-365}
}

@misc{compref61,
   author = {Bremermann,H},
   year = {1974},
   title = {Algorithms, complexity, transcomputability and the analysis of systems},
   howpublished = {Proceedings of the Fifth Congress of the Deutsche Gesellschaft fur Kybernetik, Munich (eds) Reidel,W, Handler,W Spreng,M, Oldenbourg}
}

@incollection{compref216,
   author = {Lofgren,L},
   year = {1973},
   title = {On the Formalization of Learning and Evolution},
   booktitle = {Logic, Methodology and the Philosophy of Science IV},
   editor = {Suppes,P and Henkin,L and Joja,A and Moisil,GC},
   publisher = {North-Holland},
   address = {Amsterdam},
   pages = {}
}

@article{compref115,
   author = {Feldman,JA},
   year = {1972},
   title = {Some decidability results on grammatical inference and complexity},
   journal = {Information and Control},
   volume = {20},
   pages = {244-262}
}


