edited by F.R. Benn and C.A. McAuliffe
Macmillan Press , 1975
Buku Teks
Artikel Jurnal
Evangelo, V.P.
John Wiley & Sons, 1998
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Manahan, Stanley E.
CRC Press, 2011
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Jacobson, Mark Z., author
Cambridge University Press, 2012
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