@book{35435,
	author = {Walton, William Clarence},
	title = {Aquifer test modeling /},
	publisher = {CRC Press,},
	year = {c2007},
	address = {Boca Raton, FL :},
	url = {http://www.loc.gov/catdir/enhancements/fy0668/2006050487-d.html}
}