@book{159642,
	author = {Torres González, Sigfredo. and Planert, Michael. and Autoridad de Acueductos y Alcantarillados de Puerto Rico.},
	title = {Hydrogeology and simulation of ground-water flow in the upper aquifer of the Río Grande de Manatí area, 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.: 96-0228-P.}
}