Drills science and technology of advanced operations di Astakhov, Viktor P.

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Precision machining technology

Drilling tools and programme management di Hartley, John S.

Exploratory drilling di Vozdvizhenskiĭ, Boris I.

A linear rock cutting rig di Snowdon, R. A.

Tunnel boring machine performance and ground properties report of the initial 1 1/2 km of the North Wear Drive, Kielder Aqueduct di Morgan, J. M.