1. Intern. Rep.;Andersen,1977
2. Adjustments of initial conditions required to suppress gravity oscillations in nonlinear flows;Baer;Contrib. Atmos. Phys.,1977
3. On complete filtering of gravity modes through non-linear initialization;Baer;Mon. Weather Rev.,1977
4. Comparison of some non-linear initialization techniques;Ballish,1979
5. Chapman, S., , R., Lindzen, , Atmospheric Tides, D. Reidel, Hingham, Mass., 1970,