National Academy of Sciences (U.S.). Committee on the Survey of Materials Science and Engineering, National Academy of Sciences (U.S.). Committee on Science and Public Policy, & ebrary, Inc. (1975). Materials and man's needs. National Academy of Sciences.
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Dyfyniad Arddull Chicago
National Academy of Sciences (U.S.). Committee on the Survey of Materials Science and Engineering, National Academy of Sciences (U.S.). Committee on Science and Public Policy, and Inc ebrary. Materials and Man's Needs. Washington: National Academy of Sciences, 1975.
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Dyfyniad MLA
National Academy of Sciences (U.S.). Committee on the Survey of Materials Science and Engineering, et al. Materials and Man's Needs. National Academy of Sciences, 1975.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.