@techreport{weko_183932_1,
   author	 = "山下,一寛",
   title	 = "［博士論文紹介］A Study on Sustainability of Open Source Software Projects",
   year 	 = "2017",
   institution	 = "株式会社富士通研究所",
   number	 = "2",
   month	 = "nov"
}