@article {49920,
	title = {The use of cullet in the manufacture of vitrified clay pipes},
	journal = {Construction and Building materials},
	volume = {73},
	year = {2014},
	pages = {453-457},
	author = {Y.M. El Shimy and S.K. Amin and S.A. El Sherbiny and M. F. Abadir}
}
