LEADER 00706nam0 2200241 450 001 9910370659603321 005 20200210121128.0 010 $a0901058238 100 $a20200210d1971----km y0itay50 ba 101 0 $aeng 102 $aGB 105 $a 001yy 200 1 $aControl of hazard to hearing$ea circular for the guidance of port authority medical officers$fBy W. Burns ...[et altri] 210 $aLondon$cNational Ports Council$d1971 215 $a14 p.$d25 cm 702 1$aBurns,$bW. 801 0$aIT$bUNINA$gREICAT$2UNIMARC 901 $aBK 912 $a9910370659603321 952 $aP1/94$b1982$fDINTR 959 $aDINTR 996 $aControl of hazard to hearing$91668308 997 $aUNINA