1. Anderson, M., Deely, J., Krampen, M., Ransdell, J., Sebeok, T. A., & von Uexküll, T. (1984). A semiotic perspective on the sciences: Steps toward a new paradigm. Semiotica, 52(1/2), 7–47.
2. Anscombe, G. E. M. (1957). Intention. Basil Blackwell.
3. Barbieri, M. (Ed.). (2008). Introduction to biosemiotics. The new biological synthesis. Springer.
4. Barbieri, M. (2009). Three types of semiosis. Biosemiotics, 2(1), 19–30.
5. Barbieri, M. (2011). A mechanistic model of meaning. Biosemiotics, 4(1), 1–4.