@book{3627,
	title = {McGraw-Hill encyclopedia of science & technology(Vol-5) /},
	publisher = {McGraw-Hill,},
	year = {c1997.},
	address = {New York :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0602/96052375-b.html}
}