1. On the propagation of ultrasonic energy through thin air layers;Tarnoczy,1956
2. Ultrasonic detection of thin slag layers embedded in steel plates;Szilard;GEP,1962
3. Ultrasonic penetration through very thin gas layers embedded in solid bodies;Szilard,1963
4. Measuring pulse intensity of ultrasonic longitudinal and transverse waves in solids;Filipczynski,1966
5. Effect of frequency on texture-induced ultrasonic wave birefringence in metals;Mahadavan;Nature,1966