1. Periodic Flow Phenomena
2. Wave drag by three-dimensional mountain lee-waves in nonplanar shear flow
3. Waves in the lee of a mountain with elliptical contours
4. 1973 Vortex formation in the lee of Beerenberg. Norwegian Meteorological Institute, Technical report, No. 18, 1–43 (in Norwegian).
5. 1938 The three-dimensional problem of waves at the surface of separation of two fluids of different density caused by unevenness of the bottom, Trudy Glav. Geofiz. Observ., No. 8, 3–30 = Sobranie sochinenii, T.I. 478–508, Akad. NAUK SSSR (in Russian), Moscow–Leningrad, 1949.