

@article {6030,
	title = {Colloid transport and retention in unsaturated porous media: A review of interface-, collector-, and pore-scale processes and models},
	journal = {Vadose Zone Journal},
	volume = {7},
	number = {2},
	year = {2008},
	pages = {667{\textendash}681},
	author = {Bradford, Scott A and Torkzaban, Saeed}
}
