1. Ultrasonic fatigue;Willertz;Intern. Metals Reviews,1980
2. The use of high-intensity ultrasonics;Puskar,1982
3. Cyclic fatigue tests of brittle materials—evaluation of equipment and data;Bajons;Glass Technol.,1985
4. Cyclic fatigue tests of brittle materials—fracture of sodalime glass;Bajons;Glass Technol.,1985