1. Crum LA. Cavitation microjets as a contributory mechanism for renal calculi disintegration in ESWL. J Urol 1988;140:1587–90.
2. Sass W, Dreyer HP, Ketterman et al. The role of cavitational activity in fragmentation processes by lithotriptors. J Stone Dis 1992;4:193–207.
3. Lobentanzer H. The concept of acoustic energy in lithotripsy. Dornier User Letter 1991;7:22 6.
4. Talati J, Shah T, Memon A et al. ESWL for urinary tract stones. J Urol 1991;146:1482–6.
5. Folberth W. What makes a stone break up? New findings and technical implications. The Litholetter 1991;5:19–22.