Crawford, J. T., Hustrulid, W. A., & Broadbent, C. (1979). Open pit mine planning and design. American Institute of Mining, Metallurgical, and Petroleum Engineers.
Chicago-čujuhus (17. p.)Crawford, John T., William A. Hustrulid, juo C.D Broadbent. Open Pit Mine Planning and Design. New York, United States: American Institute of Mining, Metallurgical, and Petroleum Engineers, 1979.
MLA-čujuhus (9. p.)Crawford, John T., et al. Open Pit Mine Planning and Design. American Institute of Mining, Metallurgical, and Petroleum Engineers, 1979.
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