@book{17555,
	author = {Diaz-Flores, L.},
	title = {Preparation and Optical Properies of SiO22 Sol-Gel Made Glass Colored with Carminic Acid},
	url = {https://drive.google.com/file/d/1vZeLvwu_Lw5rDtbDKb4_AV0vRIwWV58T/view?usp=drivesdk}
}