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by Weihs, Claus; Jannach, Dietmar; Vatolkin, Igor; et al.
by Jannach, Hubert; Korb, Richard Alan
by Dietmar Jannach , Markus Zanker , Alexander Felfernig , Gerhard Friedrich
by Stuckenschmidt, Heiner; Jannach, Dietmar
by JANNACH