@book{146993,
	author = {Tang, Ning-Hsi. and United States},
	title = {Estimate of water pollution potential based on characteristics of domestic sewage in Puerto Rico},
	publisher = {Water Resources Research Institute, Research Center, University of Puerto Rico, Mayaguez Campus},
	year = {1975.},
	address = {Mayaguez},
	note = {Tables.}
}