@book{166547,
	author = {Knobel, LeRoy L. and Chapelle, Frank.},
	title = {Geochemistry of the northern Atlantic coastal plain aquifer system},
	publisher = {U.S. G.P.O.},
	year = {1998.},
	series = {Regional aquifer-system analysis--northern Atlantic coastal plain},
	address = {Washington}
}