Genn, Robert C., author
Parker Publishing Company, 1981
Buku Referensi
Jones, Thomas H., author
Reston Publishing Company, 1978
Buku Referensi
Charles A. Harper, editor-in-chief
McGraw-Hill, 1977
Buku Referensi
Lenk, John D., author
Prentice-Hall, 1971
Buku Referensi
Morgan, David, author
International Engineering Consortium, 2007
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