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Chapman, David, Stark, Alfred., Metje, Nicole.. (2010). Introduction to Tunnel Construction . London And New York: Spon Press.

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Chapman, David, Stark, Alfred., Metje, Nicole.. Introduction to Tunnel Construction. London And New York: Spon Press, 2010. Text.

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Chapman, David, Stark, Alfred., Metje, Nicole.. Introduction to Tunnel Construction. London And New York: Spon Press, 2010. Text.

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Chapman, David, Stark, Alfred., Metje, Nicole.. Introduction to Tunnel Construction. London And New York: Spon Press, 2010. Print.