International Journal of Occupational Safety and Ergonomics > 2006 > Vol. 12, No. 1 > 105--115
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journal ISSN : | 1080-3548 |
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Bibliography
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1.Gorgs K-J, Grigulewitsch W, Kleinbreuer W. Elektrohydraulische Stetig-Wegeventile mit Sicherheitsverantwortung. O + P Ölhydraulik und Pneumatik 2001;45(11–12):745–8.
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2.Kleinbreuer W, Kreutzkampf F, Meffert K, Reinert D. Categories for safety-related control systems in accordance with EN 954-1 (BIA Report 6/97e). Sankt Augustin, Germany: Hauptverband der gewerblichen Berufsgenossenschaften (HVBG); 1997. Retrieved February 1, 2005, from: http://www.hvbg.de/e/bia/pub/rep/rep02/bia0697.html.
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3.European Committee for Standardization (CEN). Safety of machinery—safety-related parts of control systems (Standard No. EN 954-1:1996). Brussels, Belgium: CEN; 1996.