@prefix pr: <http://www.wikidata.org/prop/reference/> .
@prefix wdref: <http://www.wikidata.org/reference/> .

wdref:3fd3ef0109b1e9656e2d06fc221bc2731df8b1b3 pr:P854 <http://www.jabmee.or.jp/ichiran/2003-11-03-13.pdf> .