Condon, E.U. The theory of atomic spectra / E.U. Condon and G.H. Shortley. - Cambridge : Cambridge University Press , 1989. - xv,441p. : ills ; 23cm . Include index ISBN: 0521092094 UKP 25.00 Subjects--Index Terms: SPECTROSCOPY Dewey Class. No.: 535.84 / COM/T