1
by Geisler, Matthias
Unterhaching : Entwickler.press, 2009
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9
by Hitzler, Pascal; Krötzsch, Markus
Boca Raton, Fla. London New York : CRC Press, [2010]
Book
19
by Lytras, Miltiadis D.
Hershey, PA [u.a.] : Information Science Reference, 2010
Book
20
by Geroimenko, Vladimir
London Berlin Heidelberg [u.a.] : Springer, c 2004
Book