LEADER 01576oam 2200469Ia 450 001 9910699362003321 005 20230902161808.0 035 $a(CKB)5470000002402295 035 $a(OCoLC)318683906 035 $a(EXLCZ)995470000002402295 100 $a20090122d2008 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aComparison of acoustic properties of two USMC helmets$b[electronic resource] /$fPaula Henry, Jim A. Faughn, Timothy J. Mermagen 210 1$aAberdeen Proving Ground, MD :$cArmy Research Laboratory,$d[2008] 215 $a1 online resource (iv, 20 pages) $cillustrations (some color) 225 1 $aARL TR ;$v4383 300 $aTitle from title screen (viewed June 8, 2011). 300 $a"February 2008." 320 $aIncludes bibliographical references (pages 14-15). 410 0$aARL/TR ;$v4383. 606 $aCommunications, Military$xEquipment and supplies 606 $aHelmets 606 $aHeadphones 615 0$aCommunications, Military$xEquipment and supplies. 615 0$aHelmets. 615 0$aHeadphones. 700 $aHenry$b Paula Patricia$01395877 701 $aFaughn$b Jim A$01400695 701 $aMermagen$b Timothy J$01400696 712 02$aU.S. Army Research Laboratory. 801 0$bDTICE 801 1$bDTICE 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910699362003321 996 $aComparison of acoustic properties of two USMC helmets$93468075 997 $aUNINA