an inter-institutional and international symposium on aspects of communicatioon on different scales and levels ; venue ZKM Center for Art and Media Karlsruhe, Germany July 4-6, 2003eds. Hans H. Diebner, Lehan RamsayKarlsruhe : ZKM / 2003 / VIII, 214 S., Ill., graph. Darst.ISBN 978-3-928201-29-2Text. engl.