1. Fatigue at ultrasonic frequency in some age-hardening aluminium alloys;Hockenhull,1967
2. Some further experiments in fatigue testing at 20kHz;Hockenhull,1968
3. Ultrasonic fatigue in some engineering materials;Hockenhull,1969
4. Some microstructural features of fatigue in an aluminium alloy;Hockenhull,1969
5. Machines d'essais de fatigue a frequence ultrasonare;Brondau;Arts et Metiers,1969