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| Utgitt
| Washington : National Academy of Sciences , 1974
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| Omfang
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| Opplysninger
| "A workshop organized by Standing Subcommittee No. 3, 'Demand Forecasting, Use of Subsurface Space, Legal Requirements, and Standards,' of the U.S. National Committee on Tunneling Technology, National Research Council and held in conjunction with the Engineering Foundation conference, 'Need for National Policy for the Use of Underground Space,' held June 24-29, 1973, in South Berwick, Maine.". - Includes bibliographical references.
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| Emner
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| ISBN
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