Vol. 22 No. 4 (1997)

• Professor Roman Wyrzykowski on the occasion of the 75th birthday and the 50th anniversary of scientific activity

  375-382

Research Papers

• Model of an acoustic source with discontinuous optimal elements

  A. BRAŃSKI

  383-396
• Theoretical and experimental analysis of the band noise radiated from a hard-walled cylindrical duct

  A. SNAKOWSKA, H. IDCZAK

  397-410
• Propagation of sound waves of finite amplitude in a horn at frequencies below the cut-off frequency

  T. ZAMORSKI

  411-422
• Acoustic power of fluid-loaded circular plate located in finite baffle

  L. LENIOWSKA

  423-436
• On the relation between the inertial coagulation and the amplitudal effect

  H. CZYŻ

  437-444
• The motion of gas bubbles in a liquid under the influence of acoustical standing wave

  H. CZYŻ, W. ŚCIUK

  445-454
• The real acoustic power of a planar annular membrane radiation for axially-symmetric free vibrations

  W.J. RDZANEK, W.P. RDZANEK

  455-462
• The mutual impedance of two circular plates for high frequency wave radiation

  P. WITKOWSKI

  463-472

Chronicle

• Chronicle

  Editorial Board Archives of Acoustics

  473-480