@book{UBHD-1480967, title={Spectra}, publisher={Springer}, address={Berlin ; Heidelberg [u.a.]}, year={1982}, pages={V, 269 S.}, language={eng}, isbn={3-540-93459-6 and 0-387-93459-6 and 978-3-540-93459-2 and 978-0-387-93459-4}, library={UB [Signatur: UBN/VA 1097::U,Suppl.A,5]}, }