@book{12332,
	author = {.Skrentner, Robert G.},
	title = {Instrumentation handbook for water & wastewater treatment plants / },
	publisher = {Lewis Publishers, },
	year = {1988.},
	address = {Chelsea, Mich. : },
	url = {http://www.loc.gov/catdir/enhancements/fy0744/87031206-d.html}
}