1. (1) WMO (World Meteorological Organization) : “Scientific Assessment of Ozone Depletion: 2006”, Global Ozone Research and Monitoring Project-Report, No. 50, p. 572, Geneva, Switzerland (2007)
2. (2) M. L. Santee, et al. : “Variations and climatology of ClO in the polar lower stratosphere from UARS Microwave Limb Sounder measurements”, J. Geophys. Res., Vol. 108 (D15), ACH 8, pp. 1-13 (2003)
3. (3) C. P. Aellig, et al. : “Latitudinal distribution of upper stratospheric CIO as derived from space borne microwave spectroscopy”, Geophys. Res. Lett., Vol. 23, No. 17, pp. 2321-2324 (1996)
4. (4) J. Urban, et al. : “Odin/SMR limb observations of stratospheric trace gases: Level 2 processing of ClO, N2O, HNO3, and O3”, J. Geophys. Res.-Atmos., Vol. 110, D14307, pp. 1-20 (2005)
5. (5) M. L. Santee, et al. : “Validation of the Aura Microwave Limb Sounder ClO measurements”, J. Geophys. Res., Vol. 113, D15S22 (2008)