Fautin, Daphne Gail, editor
Annual Review Inc., 1995
Buku Referensi
edited by Allan Campbell
Annual Review, 1996
Buku Referensi
International Engineering Consortium
International Engineering Consortium , 2002
eBooks
International Engineering Consortium
International Engineering Consortium , 2003
eBooks
edited by David J. Galloway
Clarendon Press, 1991
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