01531nam a2200301 i 4500991000706199707536060630s2004 enk u 000 0 eng d0580440753b1389870x-39ule_instDip.to Ingegneria dell'Innovazioneeng530.821Quantities and units.Part 7,Acoustics :BS ISO 31-7-1992 /BSI, ISOBS ISO 31-7-19922nd ed.London :British Standards Institution,c2004v, 11 p. ;28 cmBritish Standard ;BS ISO 31-7-1992Prepared by Technical Committee SS/7, General metrology, quantities, units and symbols and Technical Committee ISO/TC 12, Quantities, units, symbols, conversion factorsPhysical measurementsStandardsUnits of measurementStandardsBritish Standards Institution.Technical Committee SS/7, General metrology, quantities, units and symbolsInternational Organization for Standardization.Technical Committee ISO/TC 12, Quantities, units, symbols, conversion factorsauthorhttp://id.loc.gov/vocabulary/relators/aut731189.b1389870x04-07-1327-04-10991000706199707536LE026 NOR BS ISO 31-7 199212026000031002le026Prof. Messina / BibliotecapE173.22-n- 10000.i1512436806-05-10Quantities and units1440844UNISALENTOle02630-06-06ma -engenk00