Bahr, N. J. (1997). System safety engineering and risk assessment: A practical approach. Philadelphia, PA.: Taylor & Francis.
Παραπομπή Chicago StyleBahr, Nicholas J. System Safety Engineering and Risk Assessment: A Practical Approach. Philadelphia, PA.: Taylor & Francis, 1997.
Παραπομπή MLABahr, Nicholas J. System Safety Engineering and Risk Assessment: A Practical Approach. Philadelphia, PA.: Taylor & Francis, 1997.
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