@book{1567,
	author = {Subrahmanyam, N. and Lal, Brij},
	title = {Waves and Oscillations /},
	publisher = {Vikas.},
	year = {c1994, (2013).},
	address = {New Delhi :},
	edition = {2nd rpt. ed.},
	note = {Includes index}
}
