Vol. 8 No. 3 (1983)

In memory of Stefan Czarnecki, man and scientist

Focusing of an ultrasonic beam by means of a piezoelectric annular array

Detectability of calcifications in breast tissues by the ultrasonic echo method

An ultrasonic method for the investigation of coronary graft patency

Mechano-acoustic feedback in the case of an interaction between a sound source and a resonance system

Optical generation of acoustic waves

Ultrasonic investigations of 2.ethylhexadiole-1.3. In the region of viscoelastic relaxation