@book{53935,
	author = {Helfrick, Albert D. and Cooper, William David.},
	title = {Modern Electronic Instrumentation and Measurement Techniques /},
	publisher = {Prentice Hall,},
	year = {2009.},
	address = {New Delhi :},
	url = {http://10.10.170.122:8080/browse/book/28333}
}