Vol. 5 No. 1 (1977)

Articles techniques

• Predicting L10, L50 and Leq for Urban Traffic Noise

  J. S. Bradley

  10-14

• Visual Display of Sound Waves in Two-Dimensional Models

  W. M. Barss, J. E. Bernard, I. S. Graham

  15-19

• Noise - The Third Pollution: Suggested Guidelines for Action Now

  D.H. R. Blake

  20-22

• A Multi-Channel Digital Noise Measuring Apparatus for the Measurement of Noise Propagation

  H. W. Jones, F. Babott

  23-29