%0 Journal Article %T Acoustic Efficiency of Individual Protection Equipment from Low- Frequency Noise And Infrasound %A , .. %A Zinkin, V.. %A Bogomolov, A.. %A Eremin, G.. %K anti-noise earphones, low-frequency noise, acoustic efficiency, protection against an infrasound. %J Safety in Technosphere %D 2013 %N 2 %P 5 %I INFRA-M Academic Publishing LLC.