1. Scientific assessment of stratospheric ozone;Atkinson;WMO report No. 20,1989
2. Scientific assessment of stratospheric ozone;Cox;WMO report No. 20,1989
3. Scientific assessment of stratospheric ozone;Niki;WMO report No. 20,1989
4. Scientific assessment of stratospheric ozone;Zellner;WMO report No. 20,1989
5. The atmospheric degradation and impact of 1,1,1,2-tetrafluoroethane (hydrofluorocarbon 134a)