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by Hans A. Hartmann
by Jö; rg Eberspä; cher (Institute of Communication Networks, Germany); et al.
by Hartmann, Hans
by Kaltschmitt, Martin; Hartmann, Hans; Hofbauer, Hermann
by Hartmann, Hans A.; Haubl, Rolf
by Eberspä; cher, Jö; rg; et al.
by Martin Kaltschmitt; ?Hans Hartmann; ?Hermann Hofbauer