@article{weko_1698_1,
   author	 = "ヘンク・J,ポルク",
   title	 = "Mass strengthening of paper : an update of possibilities and limitations",
   journal	 = "国立民族学博物館調査報告",
   year 	 = "2004",
   volume	 = "53",
   number	 = "",
   pages	 = "25--46",
   month	 = "dec"
}