diff --git a/paper/koeki-2020-03/storymap.bib b/paper/koeki-2020-03/storymap.bib
index c645ac5..c2ec22a 100644
--- a/paper/koeki-2020-03/storymap.bib
+++ b/paper/koeki-2020-03/storymap.bib
@@ -31,6 +31,17 @@
    institution	 = "���k���v���ȑ�w",
    month	 = "dec."
 }
+@article{dstorymap,
+   author	 =  "�L���Y�� and �O�Y���l and ���h",
+   title	 = "�n�敶���f�W�^���X�g�[���[�}�b�v�\�z�̎��g��",
+   year 	 = "2019",
+   journal     	 = "��񏈗��w����񍐏��V�X�e���ƎЉ�‹��iIS�j",
+   volume	 = "2019-IS-150",
+   number	 = "15",
+   pages	 = "1-2",
+   institution	 = "���k���v���ȑ�w",
+   month	 = "nov."
+}
 @article{suiromap,
    author	 = "���y��ʏȍ��y����ǒn���U����",
    title	 = "���H�}�b�v�Â����ʂ����~�̊댯�̌����鉻",
@@ -48,6 +59,7 @@
 howpublished="���k���v���ȑ�w�@�n�拤�n�Z���^�["
 }
 
+
 @webpage{osm,
   author = "OpenStreetMap contributors",
   title = "OpenStreetMap",