@book{50979,
	author = {Percious, Donald J. and University of Puerto Rico Mayaguez Campus.},
	title = {Submarine spring explorations},
	publisher = {Water Resources Research Institute, University of Puerto Rico, Mayaguez Campus, School of Engineering},
	year = {[1971]},
	address = {Mayaguez, P.R.},
	note = {"Final report"--Cover.}
}