@article{weko_95610_1,
   author	 = "Shigeaki,Tanimoto and Masahiko,Yokoi and Hiroyuki,Sato and Atsushi,Kanai",
   title	 = "Quantifying Cost Structure of Campus PKI Based on Estimation and Actual Measurement",
   journal	 = "Journal of information processing",
   year 	 = "2012",
   volume	 = "20",
   number	 = "3",
   pages	 = "640--648",
   month	 = "jul"
}