Third international safety conference. (1975). Hazards in tunnelling and on falsework. Institution of civil engineers.
シカゴスタイル引用形Third international safety conference. Hazards in Tunnelling and on Falsework. London: Institution of civil engineers, 1975.
MLA引用形式Third international safety conference. Hazards in Tunnelling and on Falsework. Institution of civil engineers, 1975.
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