00305nam a2200133Ia 45000030006000000080041000060400015000471000030000622450023000922500011001152600016001265460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSubrahmanyam, N.; Brijlal  aText book of sound  aSecond  bVikasc1982  aEnglish20220125170143.0