1. Priority Toxic Pollutants, Health Impacts and Allowable Limits;Sittig,1980
2. Priority Toxic Pollutants, Health Impacts and Allowable Limits;Sittig,1980
3. Priority Toxic Pollutants, Health Impacts and Allowable Limits;Sittig,1980
4. Priority Toxic Pollutants, Health Impacts and Allowable Limits;Sittig,1980
5. Concentrations of airborne C1- and C2-halocarbons in forest areas in west germany: results of three campaigns in 1986, 1987 and 1988