Marcello Barbieri
Organic codes and the natural history of mind
2013
in: Origins of mind, Dordrecht : Springer

Remarks in response to "a note on Barbieri's scientific biosemiotics"
2009
The American Journal of Semiotics 25/1-2

Three types of semiosis
2009
Biosemiotics 2/1

The code model of semiosis: the first steps toward a scientific biosemiotics
2008
The American Journal of Semiotics 24/1-3

Has biosemiotics come of age? and postscript
2007
in: Introduction to biosemiotics, Dordrecht : Springer

Is the cell a semiotic system?
2007
in: Introduction to biosemiotics, Dordrecht : Springer

Organic codes: metaphors or realities?
2002
Sign systems studies 30/2