edited by Karl Hurrle, F.M. Jablonski and Herbert Roth
Pergamon Press, 1972
Buku Referensi
edited by Georg Hass, Maurice H. Francombe, John L. Vossen
Academic Press , 1982
Buku Teks
Artikel Jurnal
O`Hanlon, John F., author
John Wiley & Sons, 1980
Buku Teks
edited by Angela Piegari and François Flory
Woodhead, 2013
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