1. Walker, B., Clark, A.: Introducing foamed concrete. Concrete Q. 24–25 (1988)
2. British Cement Association Foamed Concrete, Ref.46.041, 4 (1991).
3. British Cement Association, Foam Concrete-a Dutchview, 6 (1991).
4. Dolecki, Stabilising Combe Down stone mines. Mater. World 15–17 (2003)
5. Nambiar, E., Ramamurthy, K.: Air-void characterisation of foam concrete. Cement Concr. Res. 37, 221–230 (2007)