@techreport{weko_20463_1,
   author	 = "穂鷹良介",
   title	 = "管理実体型概念について",
   year 	 = "1992",
   institution	 = "筑波大学社会工学系",
   number	 = "23(1991-DBS-087)",
   month	 = "mar"
}