00371cam a2200157ua 4500020001400000041001000014082001800024100001800042245003000060250001200090260005900102300001200161365001400173504000500187700002100192  cRs. 60.00  aengh  a539.7bCON/TH  aCondon, E V .  aTheory of atomic spectra   a1 / b.  aLondon : bCambridge at the University Press , c1963.  a441 ; .  aRs. 60.00  a1 aShortley, G H  .