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Buku Teks
Frederick S. Merritt and Jonathan T. Ricketts, editor
McGraw-Hill, Inc, 1994
Buku Referensi
Timber Engineering Company
F.W. Dodge Corp., 1956
Buku Referensi
Frederick S. Merritt and Jonathan T. Ricketts, editor
McGraw-Hill, 1994
Buku Referensi
edited by Frederick S. Merritt.
McGraw-Hill, 1982
Buku Referensi