Analytical estimation of skeleton thermal conductivity of a geopolymer foam from thermal conductivity measurementsJ. Henon, A. Alzina, J. Absi, D.S. Smith and S. RossignolEur. Phys. J. Special Topics, 224 9 (2015) 1715-1723DOI: https://doi.org/10.1140/epjst/e2015-02493-8