'A report on the progress of work carried out by the U.K. project group during the first measurement phase of the O.E.C.D. programme on the long-range transport of air pollutants, July 1972-December 1973' - note.
Long-range transport of airborne pollutants. ISBN 0903197642. Published by Central Unit on Environmental Pollution in 1974. Publication and catalogue information, links to buy online and reader comments.