@article{weko_12511_1,
   author	 = "MahdadN.Shirazi and Ferdinand,Peper and Hidefumi,Sawai",
   title	 = "Principal Component Analysis by Entropy - Likelihood Optimization",
   journal	 = "情報処理学会論文誌",
   year 	 = "1999",
   volume	 = "40",
   number	 = "10",
   pages	 = "3638--3644",
   month	 = "oct"
}