books.google.com.au - This book introduces basic traditional semiotic concepts and adapts them so that they become useful for analyzing and designing computer systems in their symbolic context of work. It presents a novel approach to the subject, rich in examples, and is theoretically systematic but practical. The author...http://books.google.com.au/books/about/A_Theory_of_Computer_Semiotics.html?id=9btE9ilFYMMC&utm_source=gb-gplus-shareA Theory of Computer Semiotics
