Παραπομπή APA

(2005). Closed-face tunnelling machines and ground stability: A guideline for best practice. London: Thomas Telford.

Παραπομπή Chicago Style

Closed-face Tunnelling Machines and Ground Stability: A Guideline for Best Practice. London: Thomas Telford, 2005.

Παραπομπή MLA

Closed-face Tunnelling Machines and Ground Stability: A Guideline for Best Practice. London: Thomas Telford, 2005.

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