1. A variational assimilation method for satellite and conventional data;Achtemeier;Development of basic model for diagnosis of cyclone systems,1986
2. Fourth Conference on NWP;American Meteorological Society;Silver Spring, Maryland, October 29-November 1, 1979,1979
3. Fifth Conference on NWP;American Meteorological Society,1981
4. Sixth Conference on NWP;American Meteorological Society,1983
5. Seventh Conference on NWP;American Meteorological Society,1985