Clarification of the cavitation zone by pulse modulation of the ultrasound field A. Francescutto, P. Ciuti, G. Iernetti and N. V. Dezhkunov Europhys. Lett., 47 1 (1999) 49-55 Published online: 01 September 2002 DOI: 10.1209/epl/i1999-00349-x