@article{201811.0404,
	doi = {10.20944/preprints201811.0404.v1},
	url = {https://doi.org/10.20944/preprints201811.0404.v1},
	year = 2018,
	month = {November},
	publisher = {Preprints},
	author = {Nina Danchova and Stoyan Gutzov},
	title = {Surface Functionalization of Silica and Zirconia Sol-Gel Materials with Europium Complexes},
	journal = {Preprints}
}