@techreport{weko_55520_1,
   author	 = "及川,昭文",
   title	 = "講演会における情報伝達度についての一考察",
   year 	 = "1992",
   institution	 = "茨城大学・人文学部",
   number	 = "19(1991-CH-013)",
   month	 = "mar"
}