Vol. 1 No. 3 (1976)

Research Papers

• Flow patterns and noise of a choked gas jet expanding into a duct

  Krystyna J. WITCZAK

  181-200
• Correlation method of measurements of sound power in the near field conditions

  Stefan CZARNECKI, Zbigniew ENGEL, Ryszard PANUSZKA

  201-213
• The characteristic differential spectrum of a conventional substitute signal source in machinery testing

  Wojciech CHOLEWA

  215-230
• A Békésy audiometer with electronic signal level control and its application to psychoacoustical measurements

  Antoni JAROSZEWSKI, Andrzej RAKOWSKI

  231-242
• Propagation of hypersonic waves in some viscous fluids

  Zygmunt KLESZCZEWSKI

  243-253