Simultaneously published: in 'Pure and Applied Chemistry', vol.37, nos.1-2 (1974)
Molecular spectroscopy XI : specially invited lectures presented at the Eleventh European Congress on Molecular Spectroscopy held at Tallinn, USSR, 28 May-1 June 1973. ISBN 040870635X. Published by Butterworth in 1974. Publication and catalogue information, links to buy online and reader comments.