00910nam0-22003131i-450-99000046124040332120070606145123.00-8247-6897-3000046124FED01000046124(Aleph)000046124FED0100004612420020821d1980----km-y0itay50------baenga-------001yyMort safety assurance systemsWilliam G. JohnsonNew York ; BaselMarcel Dekkerc1980525 p.ill.25 cmOccupational safety and healt4Sicurezza industriale - Rischi industriali363.1'1Johnson,William G.25579ITUNINARICAUNIMARCBK99000046124040332110 D II 402628 DEEDINELDINELMort safety assurance systems334835UNINA