Wybourne, Brian G. Symmetry principles and atomic spectroscopy/ [by] Brian G. Wybourne. Including an appendix of tables by P. H. Butler. - New York: Wiley-Interscience, [1970]. - xii, 146 p.: 23 cm. Includes bibliographical references. ISBN: 0471965081 LCCN: 70096043 //r862 Nat. Bib. No.: GB70-27594 Subjects--Topical Terms: Symmetry (Physics)-Atomic spectroscopy.Symmetry (Physics)---Tables. Dewey Class. No.: 539.725 / W976s