@book{166518,
	author = {Murti,Y.V.G.S.& Vijayan.C. and Y.V.G.S.Murti&C.Vijayan},
	title = {Essentials of Nonlinear Optics/},
	publisher = {Ane Books Pvt. Ltd.},
	year = {2016},
	address = {New Delhi},
	note = {its include table and figure}
}