1. Waves in Layered Media;Brekhovskikh,1960
2. Radio Waves in the Ionosphere;Budden,1961
3. Wave propagation in elastic media with prescribed variation in the parameters;Rao,1978
4. A completeness problem for stress equations of motion in the linear elasticity theory;Ignaczak;Arch. Mech. Stos.,1963
5. Elastic Waves in Layered Media;Ewing,1957