Text in periodical Sengers, Phoebe. – «Schizophrenia and narrative in artificial agents». – Leonardo. – Vol. 35, no. 4 (2002). – P. 427-431.
Text in periodical Penny, Simon et al. – «Traces : embodied immersive interaction with semi-autonomous avatars». – Convergence. – Vol. 7, no. 2 (Summer 2001). – P. 47-65.