@book{25143,
	author = {Chatwal, Gurdeep R and Merritt, Lyne L.  },
	title = {Instrumental methods of chemical analysis/by Gurdeep R. Chatwal, Lyne L. Merritt and John A. Dean},
	publisher = {D. Van Nostrand Co.},
	year = {1974.},
	address = {New Yrok:}
}