Index: head/devel/darts/pkg-descr
===================================================================
--- head/devel/darts/pkg-descr	(revision 471516)
+++ head/devel/darts/pkg-descr	(revision 471517)
@@ -1,13 +1,16 @@
 Darts: Double-ARray Trie System
 
 This is a C++ template library that implements Double-Array [Aoe
 1989].  Currently only Japanese documentation is provided.
 
 * [Aoe1989] Aoe, J. An Efficient Digital Search Algorithm by Using a
   Double-Array Structure. IEEE Transactions on Software
   Engineering. Vol. 15, 9 (Sep 1989). pp. 1066-1077.
 
 * [Datrie] Theppitak Karoonboonyanan An Implementation of Double-Array
-  Triehttp://www.links.nectec.or.th/~thep/datrie/
+  Trie.
+
+* [Word and Dictionary] Yuji Matsumoto et al. Word and Dictionary Iwanami
+  Course Language Science Vol. 3 pp. 79-81.
 
 WWW: http://www.chasen.org/~taku/software/darts/