@book{23486,
	author = {Zhang, Z.},
	title = {Research on Purification of Attapulgite Clay and Adsorption Characteristics for Metal Cations},
	url = {https://drive.google.com/file/d/1idWyTmceKrz2tE9_yKapbOpMZ7p34l6p/view?usp=drivesdk}
}