A new paper by Prof. Nakarai has been published

Kenichiro Nakarai, Kazuhito Niwase, Masanori Miyamoto, Tai Sasaki, Low-Level Radioactive Waste Disposal in Japan and Role of Cementitious Materials, Journal of Advanced Concrete Technology, Volume 20, Issue 5, pp.359-3743, 2022
https://www.jstage.jst.go.jp/article/jact/20/5/20_359/_article/-char/en