--- ray/doc/ray.html	2011/07/15 17:47:33	1.16
+++ ray/doc/ray.html	2011/10/17 21:53:55	1.18
@@ -1897,9 +1897,11 @@ Ecole  Polytechnique  Federale de Lausanne (EPFL Unive
 <p>
 <ul>
     <li>Ward, G., R. Mistrick, E.S. Lee, A. McNeil, J. Jonsson,
-	&quot;Simulating the Daylight Performance of Complex Fenestration Systems
-	Using Bidirectional Scattering Distribution Functions within Radiance,&quot;
-	<em>Journal of the Illuminating Engineering Soc. of North America</em>,
+	&quot;<a href="http://gaia.lbl.gov/btech/papers/4414.pdf">Simulating
+	the Daylight Performance of Complex Fenestration Systems
+	Using Bidirectional Scattering Distribution Functions within
+	Radiance</a>,&quot;
+	<em>Leukos</em>, 7(4)
 	April 2011.
     <li>Cater, Kirsten, Alan Chalmers, Greg Ward,
     	&quot;<a href="http://www.anyhere.com/gward/papers/egsr2003.pdf">Detail to Attention: