American Institute of Mining, Metallurgical and Petroleum Engineers, & Rapid Excavation and Tunneling Conference (1974 June 24-27 : San Francisco, California). Proceedings: Volumen 2. Pattison, Harry C. AIME.
Cita Chicago Style (17a ed.)American Institute of Mining, Metallurgical and Petroleum Engineers, y California) Rapid Excavation and Tunneling Conference (1974 June 24-27 : San Francisco. Proceedings: Volumen 2. San Francisco: Pattison, Harry C. AIME.
Cita MLA (9a ed.)American Institute of Mining, Metallurgical and Petroleum Engineers, y California) Rapid Excavation and Tunneling Conference (1974 June 24-27 : San Francisco. Proceedings: Volumen 2. Pattison, Harry C. AIME.
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