1. IPCC (2007) IPCC Fourth Assessment Report (in Japanese), p 248
2. MLIT (2009), Act on the rational use of energy, Chapter 5 Measures Pertaining to Buildings (Guidance and Advice on Building Materials):34
3. ANRE (2010) Energy in Japan 2010:7
4. Ministry of Land, Infrastructure, and Transport Notice (2014) No. 788
5. Collet F, Serres L, Miriel J, Bart M (2006) Study of thermal behaviour of clay wall facing south. Build Environ 41:307–315