Marcello Barbieri
(2013). Organic codes and the natural history of mind. In L. Swan (ed.) Origins of mind (pp. 21-52). Dordrecht: Springer.
(2009). Remarks in response to "a note on Barbieri's scientific biosemiotics". The American Journal of Semiotics, 25 (1-2), 163-166. https://doi.org/10.5840/ajs2009251/28.
(2009). Three types of semiosis. Biosemiotics, 2 (1), 19-30. https://doi.org/10.1007/s12304-008-9038-9.
(2008). The code model of semiosis: the first steps toward a scientific biosemiotics. The American Journal of Semiotics, 24 (1-3), 23-37. https://doi.org/10.5840/ajs2008241/33.
(2007). Has biosemiotics come of age? and postscript. In M. Barbieri (ed.) Introduction to biosemiotics (pp. 101-114). Dordrecht: Springer.
(2007). Is the cell a semiotic system?. In M. Barbieri (ed.) Introduction to biosemiotics (pp. 179-208). Dordrecht: Springer.
(ed) (2007). Introduction to biosemiotics: the new biological synthesis. Dordrecht: Springer.
(2002). Organic codes: metaphors or realities? Sign systems studies, 30 (2), 743-753.