Reihe Springer Series in Atomic, Optical, and Plasma PhysicsRoger Boudet × Relativistic Transitions in the Hydrogenic AtomsElementary TheoryRoger BoudetSpringer BerlinSoftcover2010 Relativistic Transitions in the Hydrogenic AtomsElementary TheoryRoger BoudetSpringer BerlineBook2008 Relativistic Transitions in the Hydrogenic AtomsElementary TheoryRoger BoudetSpringer BerlinHardcover2008