1. Transport of Lycopodium spores and other small particles to rough surfaces;Chamberlain,1966
2. Rainfall acidity in northern Britain;Fowler;Nature, Lond.,1982
3. Sulphur in air and deposited from air and rain over Great Britain and Ireland;Martin;Envir. Pollut.,1980
4. Some observations of acidity and sulphur in rainwater from rural sites in Central England and Wales;Martin;Atmospheric Environment,1978
5. Automatic colorimetric determination of low concentrations of sulphate for measuring sulphur dioxide in ambient air;Persson;Int. J. Air Wat. Pollut.,1966