@book{258695,
	title = {Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Diaz area, south central Puerto Rico},
	publisher = {U.S. Dept of the Interior, U.S. Geological Survey},
	year = {1994},
	address = {San Juan, PR},
	note = {Shipping List no: 94-0276-P},
	url = {http://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=0624B&SYS=000423402}
}