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Gordana Dodig Crnkovic , Gordana Dodig-Crnkovic, Raffaela Giovagnoli (2013) Computing nature: turing centenary perspective, Dordrecht, Springer.
Toward Turing's a-type unorganised machines in an unconventional substrate
a dynamic representation in compartmentalised excitable chemical media
Larry Bull , Ben de Lacy Costello
pp. 185-199
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