Wybourne, Brian G Symmetry principles and atomic spectroscopy/ Brian G. Wybourne. Including an appendix of tables by P. H. Butler - Wiley-Interscience : New York 1970 - xii, 146 p. ; 23 cm. ISBN: 0471965081 LCCN: 70-096043 //r862 Subjects--Topical Terms: Symmetry (Physics)Atomic spectroscopySymmetry (Physics)--Tables