Text in book
Russell, Morgan. – «Riding the giant worm to saturn : post-symbolic communication in virtual reality». – Ars Electronica : facing the future : a survey of two decades. – Edited by Timothy Druckrey with Ars Electronica, foreword by Hannes Leopoldseder, preface by Gerfried Stocker and Christine Schöpf. – Cambridge : MIT Press, 1999. – (Electronic culture. History, theory, practice). – P. 242-243.