Protzen, Jean-Pierre, author
Rouledge, 2010
Buku Teks
Sieden, Lloyd Steven
Perseud, 2000
Buku Teks
Mainzer, Klaus, author
Springer, 2012
eBooks
Murdin, Paul, author
Thames & Hudson, 2009
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Auping, John, author
AESOP Publications, 2018
Buku Teks