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Hits 1-4 within 4 documents
Author(s): Arens, Heinz-Werner; Stalvant, Carl-Einar.- 2001. 21p.
Author(s): Heinze, Rolf G.; Fox, Katja; Schalk, Christa.- 2007. 196p.
Author(s): Sauer, Dieter.- 2002. 16p.
Author(s): Simonis, Udo E..- 1989. 9-34p.