@book{12212,
	author = {United States and Datagraphics, Incorporated.},
	title = {The cost of clean water and its economic impact.},
	publisher = {For sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {1969-},
	address = {[Washington]},
	note = {Vol. 4 originally by Cyrus Wm. Rice & Co. Updated ed. issued by Environmental Protection in series: Water pollution control research series.}
}