National Academy of Engineering & ebrary, Inc. (1996). Memorial tributes. The Academy.
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Chicago-čujuhus (17. p.)
National Academy of Engineering juo Inc ebrary. Memorial Tributes. Washington, D.C.: The Academy, 1996.
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MLA-čujuhus (9. p.)
National Academy of Engineering juo Inc ebrary. Memorial Tributes. The Academy, 1996.
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