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

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Precision machining technology

Drilling tools and programme management অনুযায়ী Hartley, John S.

Drilling and blasting of rocks অনুযায়ী Jimeno, Carlos Lopez

Drilling tools and programme management অনুযায়ী Hartley, John S.

High technology in drilling and exploration C.P. Chugh অনুযায়ী Chugh, C.P

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