Vol. 24 No. 2 (1996)

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Editorial

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1-1

Technical Articles

A plan for acoustic signalling in industrial areas-criteria for the design of warning signals

Tran Quoc Hung, R. Hetu

3-17
Formant frequencies of vowels produced by infants with and without early onset otitis media

S. Rvachew, E.B. Slawinski, M. Williams

19-28
Signalization system for visually impaired people

A. Czyzewski, B. Kostek

29-35