@book{12289,
	author = {Theraja, B. L.},
	title = {A Text book of engineering physics : heat, light, sound and thermodynamics : for the examination of B. Sc. (Engg.), A.M.I.E. (I), A.M. Ae. S.I., Diploma & N.C.C},
	publisher = {Niraj Prakashan },
	year = {1969},
	address = {New-Delhi },
	edition = {5th ed.}
}