@book{31548,
	author = {Duckworth, H. E. and Barber, R. C.},
	title = {Mass spectroscopy},
	publisher = {Cambridge University Press},
	year = {1986.},
	series = {Cambridge monographs on physics},
	address = {Cambridge [Cambridgeshire]},
	edition = {2nd ed.},
	note = {Includes index.}
}