@book{192157,
	author = {Troester, Joseph W. and Richards, Ronald T. and Autoridad de Acueductos y Alcantarillados de Puerto Rico.},
	title = {Geochemical properties and saline-water intrusion in the Valle de Yabucoa alluvial aquifer, southeastern Puerto Rico},
	publisher = {U.S. Dept. of the Interior, U.S. Geological Survey},
	year = {1996.},
	series = {Water resources investigations report},
	address = {San Juan, P.R.},
	note = {Shipping list no.: 97-0076-P.}
}