

@article {6109,
	title = {Transport of microspheres and indigenous bacteria through a sandy aquifer: results of natural-and forced-gradient tracer experiments},
	journal = {Environmental Science and Technology},
	volume = {23},
	number = {1},
	year = {1989},
	pages = {51{\textendash}56},
	author = {Harvey, Ronald W and George, Leah H and Smith, Richard L and LeBlanc, Denis R}
}
