Add the USENIX paper of the author to SEE ALSO.

share/man/man9/ubc.9

@@ -1,4 +1,4 @@
-.\"	$NetBSD: ubc.9,v 1.3 2009/09/28 14:11:56 joerg Exp $
+.\"	$NetBSD: ubc.9,v 1.4 2010/04/14 11:33:59 jruoho Exp $
 .\"
 .\" Copyright (c) 1998 Matthew R. Green
 .\" All rights reserved.
@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 3, 2009
+.Dd April 14, 2010
 .Dt UBC 9
 .Os
 .Sh NAME
@@ -133,6 +133,16 @@ subsystem is implemented within the file
 .Xr uvm 9 ,
 .Xr vnode 9 ,
 .Xr vnodeops 9
+.Rs
+.%A Chuck Silvers
+.%T "UBC: An Efficient Unified I/O and Memory Caching Subsystem for NetBSD"
+.%I USENIX Association
+.%B Proceedings of the FREENIX Track: 2000 USENIX Annual Technical Conference
+.%P 285-290
+.%D June 18-23, 2000
+.%U http://www.usenix.org/
+.%U event/usenix2000/freenix/full_papers/silvers/silvers.pdf
+.Re
 .Sh HISTORY
 UBC first appeared in
 .Nx 1.6 .