@book{31567,
	author = {Bhattacharya, Pallab.},
	title = {Semiconductor optoeletronic devices /},
	publisher = {PHI Learning,},
	year = {c1997.},
	series = {Eastern economy edition.},
	address = {New Delhi :},
	edition = {2nd ed.},
	note = {Includes index.}
}