Second title-page in French. Includes a contribution in French. Simultaneously published in 'Pure and Applied Chemistry', vol.18, no.3 (1969)
Molecular spectroscopy. 9 : general lectures presented at the Ninth European Congress on Molecular Spectroscopy held in Madrid, Spain, 10-15 September 1967. ISBN 0408893923. Published by Butterworths in 1969. Publication and catalogue information, links to buy online and reader comments.