LEADER 01253nam  2200349Ka 450 
001 9910695372103321
005 20060926105123.0
035   $a(CKB)5470000002369027
035   $a(OCoLC)71753462
035   $a(EXLCZ)995470000002369027
100   $a20060926d2005      ua             0
101 0 $aspa
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aNo entres en una trinchera que carezca se proteccio?n!$b[electronic resource]
210  1$a[Washington, D.C.] :$cAdministracio?n de Seguridad y Salud Ocupacional, Departamento del Trabajo de EE.UU.,$d[2005]
215   $a1 unnumbered leaf $cdigital, PDF file
300   $aTitle from title screen (viewed on Sept. 26, 2006).
606   $aTrenches$xSafety measures
606   $aConstruction workers$xHealth and hygiene
606   $aIndustrial safety
615  0$aTrenches$xSafety measures.
615  0$aConstruction workers$xHealth and hygiene.
615  0$aIndustrial safety.
712 02$aUnited States.$bOccupational Safety and Health Administration.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910695372103321
996   $aNo entres en una trinchera que carezca se proteccio?n$93431460
997   $aUNINA