Deismireacht APA

Maidl, B. (2008). Hardrock tunnel boring machines. Ernst and sohn.

Chicago Edition Citation

Maidl, Bernhard...[et.al]. Hardrock Tunnel Boring Machines. Berlin: Ernst and sohn, 2008.

Deismireacht MLA

Maidl, Bernhard...[et.al]. Hardrock Tunnel Boring Machines. Ernst and sohn, 2008.

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