Robins, Kevin
Routledge, 1996
Buku Teks
Low, Adrian, author
McGraw-Hill , 1991
Buku Teks
Galbiati, Louis J.
Prentice-Hall, 1990
Buku Teks
Virilio, Paul, author
Indiana University Press, 1994
Buku Teks
editor, Andrew Fitzgibbon
Springer-Verlag, 2012
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