--- manual/manual_references.bib	2010/08/30 23:01:09	1.40
+++ manual/manual_references.bib	2011/02/25 17:25:13	1.41
@@ -1967,3 +1967,12 @@
   publisher =	 {IEEE},
 }
 
+@Article{stevens:90,
+  author =	 {Stevens, D. P.},
+  title =	 {On Open Boundary Conditions for Three Dimensional
+                  Primitive Equation Ocean Circulation Models},
+  journal =	 {Geophys. Astrophys. Fl. Dyn.},
+  year =	 1990,
+  volume =	 51,
+  pages =	 {103--133}}
+