@book{110822,
	author = {United States and McClymonds, Neal E. and Puerto Rico.},
	title = {Water resources of the Jobos area, Puerto Rico},
	year = {1972.},
	series = {Water-Resources Bulletion},
	address = {San Juan, P.R.},
	note = {Includes a Chemical quality of water in Caño Tiburones, Puerto Rico; a reconnaissance study carred out in 1967 by José Raúl Díaz (map series no. 2) inserted.}
}