Vol. 4 No. 06 (1989): Acústica e Vibrações 06

This issue presents the abstracts of the works presented at the "IX Sobrac Meeting", held in Campinas/SP in December 1988. It also has a mini-class entitled "Spare your auditory cells", extracted from an article by BILSOM (Sweden). Finally, in the news section, upcoming conferences and books published at the time are shared.

Summary content:

• Abstracts of papers presented at the IX Meeting of Sobrac, held in Campinas-SP, Dec/89.