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by Kahl, Guenter
by Meksem, Khalid; Kahl, Guenter
by Kahl, Guenter; Meksem, Khalid
by Harbers, Matthias; Kahl, Guenter
by Weckwerth, Wolfram; Kahl, Guenter
by Guenter Kahl (University of Frankfurt, Germany)
by Editor: Guenter Kahl (University of Frankfurt, Germany); Editor: Khalid Meksem (Southern Illinois University, Carbondale, USA)