1. Reflection of internal gravity waves by small density variations;Barcilon;J. Phys. Oceanogr.,1972
2. Nonlinear gravity wave interactions;Benny;J. Fluid Mech.,1962
3. Wave trains in inhomogeneous moving media;Bretherton,1968
4. Correspondence and vertical propagation of the inertial-internal wave energy in the deep sea;Frankignoul;Mém. Soc. R. Sci. Liège, Sér. 6,1973
5. Wave propagation in random media;Frisch,1968