Ultrasound and colloid science - the early years, D. Gilling; contributions to various aspects of cavitation chemistry, A. Hanglein; sonochemistry - from experiment to theoretical consideration, J.L. Luche; ultrasonic agitation in metal finishing, R. Walker; ultrasonic atomization, A. Morgan; relations of organosiliconcompounds in acoustic fields, O.I. Zinovev and M.A. Margulis; use of ultrasound in the identification of biological molecules, J.A. Evans; initiation and catalysis of oxidization processes in an acoustic field, E.M. Mokry and V.L. Starchevsky.