Synonyms were used for: Schallpegel
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    SELECTED PROBLEMS OF PROTECTION AGAINST ROAD TRAFFIC NOISE

    Free access
    Władysław Gardziejczyk | DOAJ | 2015
    Keywords: equivalent sound level

    Investigating impact of motor oil quality on vehicles engine induced noise level

    Free access
    I. Arefian / H. Asady / M. R. Monazam Esmaielpour et al. | DOAJ | 2015
    Keywords: vehicle engine sound level