@article{weko_32439_1,
   author	 = "田口,時夫",
   title	 = "二次元離散型分布の集中多面体, 集中係数及び新たな各種相関係数について : 企業集中の多次元的解析法",
   journal	 = "統計数理研究所彙報",
   year 	 = "1972",
   volume	 = "20",
   number	 = "2",
   pages	 = "77--115",
   month	 = "dec"
}