Smith, William F., author
New York: McGraw-Hill, 1981
Buku Teks
Mondolfo, L.F.
Butterworth, 1976
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Brooks, Charlie R.
Ohio: American Society for Metals, c1995
Buku Teks
Brooks, Charlie R.
American Society for Metals, 1995
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Pearson, T. F.
The Chemical Rubber, 1968
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