Ramamurthy, K., et al. “A Classification of Studies on Properties of Foam Concrete”. Cement and Concrete Composites, vol. 31, no. 6, 2009, pp. 388-96, https://doi.org/10.1016/j.cemconcomp.2009.04.006.
Ramamurthy, K., Kunhanandan Nambiar, E., & Indu Siva Ranjani, G. (2009). A classification of studies on properties of foam concrete. Cement and Concrete Composites, 31(6), 388-396. https://doi.org/10.1016/j.cemconcomp.2009.04.006
Ramamurthy K, Kunhanandan Nambiar E, Indu Siva Ranjani G. A classification of studies on properties of foam concrete. Cement and Concrete Composites. 2009;31(6):388-96.