@book{6202,
	author = {Bela G. Liptak and Lipták, Béla G.},
	title = {Instrument engineers' handbook /},
	publisher = {CRC Press,},
	year = {2003-c2012.},
	address = {Boca Raton, FL :},
	edition = {4th ed.},
	url = {http://www.e-streams.com/es0706/es0706_3293.html}
}