Davies, Char. — «The Yearning 1993, The Drowning 1993». — Der Prix ars electronica 93 : Internationales Kompendium der Computerkünste 93 = International compendium of the computer arts 93. — Edited by Christine Schöpf, Christian Schrenk and Paul Pritchard. — Linz : ORF Landesstudio Oberösterreich : ORF Landesstudio Oberösterreich, 1993. — Text in English and German. — ISBN 3705800868. — P. 26-29.