@book{51683,
	author = {Prasad, J. and Nair,C.G.Krishnadas},
	title = {Non-destructive test and evaluation of materials /},
	publisher = {Tata McGraw Hill },
	year = {2011},
	address = {New Delhi},
	edition = {2nd ed},
	note = {Includes  bibliographical references and index.}
}