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by Burg, Gunter
by Burg; Gunter
by Gunter Burg; Heinz Kutzner; Werner Kempf; et al.
by Leboit, Philip E.; Burg, Gunter; Weedon, David; et al.
by Ring, Johannes; Burg, Gunter; Braun-Falco, O.
by Burg, Gunter; Dummer, Reinhard G.
by Reinhard Dummer; Gunter Burg; F.O. Nestle
by Gunter Burg; Werner Kempf; Heinz Kutzner; et al.