@book{157698,
	author = {Ramos-Ginés, Orlando. and Autoridad de Acueductos y Alcantarillados de Puerto Rico.},
	title = {Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, Central Puerto Rico},
	publisher = {U.S. Geological Survey},
	year = {1997.},
	series = {Water resources investigations report},
	address = {San Juan, P.R.}
}