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by Seliger, Gunther
by Seliger, Gunther; Khraisheh, Marwan K.; Jawahir, I. S.
by Azevedo, Américo
by Günther Seliger
by Américo Azevedo
by Pawel Pawlewski
by Günther Seliger; ?Marwan M.K. Khraisheh; ?I.S. Jawahir