Juimo Tchamdjou, W. H., Grigoletto, S., Michel, F., Courard, L., Cherradi, T., & Abidi, M. L. (2017). An investigation on the use of coarse volcanic scoria as sand in Portland cement mortar.
Case Studies in Construction Materials, 7. doi:10.1016/j.cscm.2017.07.005
https://hdl.handle.net/2268/213656