@book{48998,
	author = {Valle, Luis A. del and University of Puerto Rico Mayaguez Campus.},
	title = {Determination of the rate of biodegradation in some polluted tropical waters and in some types of liquid wastes common in Puerto Rico},
	publisher = {Water Resources Research Institute, School of Engineering},
	year = {[1972]},
	address = {Mayaguez, P.R.},
	note = {"Completion report, A-023-PR"--Cover.}
}