@book{6061,
	author = {Lee, C. C.},
	title = {Handbook of environmental engineering calculations /},
	publisher = {Mc GrawHil,},
	year = {2007},
	address = {New York:},
	edition = {2nd ed.},
	note = {includes index},
	url = {http://www.loc.gov/catdir/enhancements/fy0642/2006053099-b.html}
}