@book{4638,
	author = {Sawhney, A. K. and Sawhney,Puneet},
	title = {A course in electrical and electronics measurements and instrumentation. /},
	publisher = {Dhanpat Rai & Co.,},
	year = {2007[Reprinted2010, 2009,  2008]},
	address = {Delhi :},
	edition = {18th rev. enlarged ed.},
	note = {Includes index.}
}