--- ray/doc/ray.1	2006/05/10 19:50:30	1.9
+++ ray/doc/ray.1	2006/10/18 00:43:09	1.11
@@ -1,8 +1,8 @@
 .\" RCSid "$Id"
 .\" Print using the -ms macro package
-.DA 1/20/99
+.DA 10/17/2006
 .LP
-.tl """Copyright \(co 2003 Regents, University of California
+.tl """Copyright \(co 2006 Regents, University of California
 .sp 2
 .TL
 The
@@ -1495,6 +1495,11 @@ the Ecole Polytechnique Federale de Lausanne (EPFL Uni
 in Lausanne, Switzerland.
 .NH 1
 References
+.LP
+Cater, K., A. Chalmers, G. Ward,
+``Detail to Attention: Exploiting Visual Tasks for Selective Rendering,''
+.I "Eurograhics Symposium on Rendering",
+June 2003.
 .LP
 Ward, G., Elena Eydelberg-Vileshin,
 ``Picture Perfect RGB Rendering Using Spectral Prefiltering and