@book{25863,
	author = {Nagem, Raymond J and others  and Zampolli, Mario ; jt. tr.},
	title = {Arnold Sommerfeld Mathematical theory of diffraction},
	publisher = {Birkhauser Verlag},
	year = {2004},
	series = {Progress in Mathematical Physics },
	address = {Boston},
	note = {"Purchased under NBHM grant for the year 2004-2005"}
}