Turing: A formal clash of codes. - Guenther Witzany; Frantisek Baluska (Nat., 2012)

Biological Self-Organization. - Guenther Witzany (Int. J. Signs Semiot. Syst., 2014)

Crucial steps to life: From chemical reactions to code using agents. - Guenther Witzany (Biosyst., 2016)