@book{31713,
	author = {Roy, D. K. and Pamplin, B. R. },
	title = {Tunnelling and negative resistance phenomena in semiconductors /},
	publisher = {Pergamon Press,},
	year = {c1977.},
	series = {International series in the science of the solid state  },
	address = {Oxford, Eng. ;},
	edition = {1st ed.},
	note = {Includes index.}
}