search materials(including e-books and e-journals) held by Hokkaido university.
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Search keyword：(Standard classification: T54)
Normal accidents : living with high-risk technologies / Charles Perrow
: hbk,: pbk. - New York : Basic Books , c1984
Managing the risks of organizational accidents / James Reason
: hc,: pbk. - Aldershot, Hants, England ; Brookfield, Vt., USA : Ashgate , c1997