| Title | Authors | Year | 
|---|---|---|
| The exchange of ammonia between the atmosphere and plant communities. | 
                               Sutton, M.A…  | 
                                                                                        1993 | 
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response | 
                               Grunhage, L…  | 
                                                                                        1993 | 
| The effects of dust on vegetation - a review | 
                               Farmer, A.M…  | 
                                                                                        1993 | 
| Atmospheric Change - Effect on Plant Pests and Diseases | 
                               Bell, J.N.B…  | 
                                                                                        1993 | 
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group | 
                               Group,…  | 
                                                                                        1993 | 
| Reproduction in two submersed macrophytes declines progressively at low pH. | 
                               Titus, J.E…  | 
                                                                                        1993 | 
| Estimating the relative contribution of SOx, NOx and NHx inputs to effects of atmospheric deposition | 
                               Sutton, M.A…  | 
                                                                                        1993 | 
| Stratospheric Aerosol Optical Depths, 1850-1990. | 
                               Sato, M. ;…  | 
                                                                                        1993 | 
| A survey of the health of Fagus sylvatica in southern Britain. | 
                               Ling, K.A…  | 
                                                                                        1993 | 
| North Sea quality status report 1993 | 
                               OSPARCOM,…  | 
                                                                                        1993 |