1. 1) Ministry of Land, Infrastructure, Transport and Tourism : Kenchikubutsusutokkutoukei (Building stock statistics), 2018.9 (in Japanese) 国土交通省：建築物ストック統計, 2018.9 https://www.mlit.go.jp/common/001254408.xlsx（accessed 2020.1.23）
2. 2) United Nations Sustainable Development Summit : Jizokukanounakaihatsunotameno2030ajenda (2030 Agenda for sustainable development), 2015.9 (in Japanese) 国連持続可能な開発サミット：持続可能な開発のための 2030 アジェンダ, 2015.9 https://www.unic.or.jp/activities/economic_social_development/sustainable_development/2030agenda/（accessed 2020.1.23）
3. 3) Tanuma, T and Sugiyama, H. : Field Survey of the Reinforcement Corrosion on Actual RC Building that was Built 53 Years Ago, AIJ Journal of Technology and Design, Vol. 23, No. 53, pp. 37-42, 2017.2 (in Japanese) 田沼毅彦, 杉山央：築後53年を経過した鉄筋コンクリート造建築物における鉄筋腐食状況の実態調査, 日本建築学会技術報告集, 第23巻, 第53号, pp. 37-42, 2017.2
4. 4) Noguchi, T et al. : KyukokuritsuKasumigaokakyougijyonokenchikuzairyoutyosa (sono1-12) (Investigation on Building Materials of Kasumigaoka Former National Stadium (Part 1 to 12)), Summaries of Technical Papers of Annual Meeting, Architectural Institute of Japan, Materials and Construction, pp. 417-430, 2015.7 (in Japanese) 野口貴文ほか24名：旧国立霞ヶ丘競技場の建築材料調査（その1～12）, 日本建築学会大会学術講演梗概集, 材料施工, pp. 417-430, 2015.7
5. 5) Architectural Institute of Japan : Tekkinkonkuritozoukenchikubutsunogenkaijyoutaisaikou -Tyuseikahajyumyouka?- (Rethinking the Limit State of Reinforced Concrete Buildings - Is Carbonation Lifetime?-), Material Construction Department Panel Discussion Materials of Architectural Institute of Japan Annual meeting (Cyugoku), pp. 1-4, pp. 5-11, 2017.8 日本建築学会：鉄筋コンクリート造建築物の限界状態再考－中性化は寿命か？－, 2017年度日本建築学会大会（中国）材料施工部門パネルディスカッション資料, pp. 1-4, pp. 5-11, 2017.8