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3. E. G. Klimova, “Data Assimilation Technique Based on the Ensemble π-Algorithm,” Meteorol. Gidrol., No. 9 (2008) [Russ. Meteorol. Hydrol., No. 9, 33 (2008)].
4. E. G. Klimova, “A Data Assimilation Technique Based on the π-Algorithm,” Meteorol. Gidrol., No. 3 (2008) [Russ. Meteorol. Hydrol., No. 3, 33 (2008)].
5. E. G. Klimova, “Numerical Experiments on Meteorological Data Assimilation Using a Suboptimal Kalman Filter,” Meteorol. Gidrol., No. 10 (2003) [Russ. Meteorol. Hydrol., No. 10 (2003)].