@article{weko_9943_1,
   author	 = "Daisuke,Tasaki and Megumi,Katou and Shinji,Mizuno and Minoru,Okada",
   title	 = "Physical Model to Achieve Virtual Mezzotint",
   journal	 = "情報処理学会論文誌",
   year 	 = "2007",
   volume	 = "48",
   number	 = "5",
   pages	 = "2012--2022",
   month	 = "may"
}