00719nam0-22002651i-450-99000397892040332120101214201320.0000397892FED01000397892(Aleph)000397892FED0100039789220031112d1949----km-y0itay50------baengNLSound absorbing materialsZwikker C., Kosten C. W.AmsterdamElsevier1949Zwikker,C.2129Kosten,Cornelis Willem150037ITUNINARICAUNIMARCBK99000397892040332100 D2382581DETECDETECSound absorbing materials473753UNINA