@conference {126695,
	title = {Evaluation of Photocatalysis TiO2 Nano-particles as a Self-Cleaning to Calcareous Stone Monuments Surface},
	booktitle = {8th International Conference on Nano-Technology in Construction},
	year = {2016},
	month = {12-16 March },
	address = {Sharm El-Sheikh},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/sharm_conference__final_copy_0.pdf},
	author = {Sayed M. Ahmed and Sawsan S. Darwish and Nagib A. Elmarzugi and Mohammad A. Al-Dosari and Mahmoud A.Adam and Nadia A. Al-Mouallimi}
}
