00293nam a2200097Ia 4500008004100000082001800041100001600059245001900075264009100094300001000185200526s9999||||xx |||||||||||||| ||und||  a620.23  CZA.1  aCzarnecki S 0aInter-Noise 79  bInstitute Of Fundamental Technological Research Of The Polish Academy Of Sciencec1979  a474p.