Olivi, Giovanni, author
Quintessence Publishing Co, Inc, 2011
Buku Teks
Aviado, Domngo M.
The Williams & Wilkins Company, 1972
Buku Teks
Burt, Brian A., author
An academic Internet Publishers, 2007
Buku Teks
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Wiley Blackwell, 2010
Buku Teks
edited by George Bekefi
John Wiley & Sons, 1976
Buku Teks