TY - CHAP A1 - Birkhofer, Herbert A1 - Fügenschuh, Armin A1 - Günther, Ute A1 - Junglas, Daniel A1 - Martin, Alexander A1 - Sauer, Thorsten A1 - Ulbrich, Stefan A1 - Wäldele, Martin A1 - Walter, Stephan ED - Haasis, Hans-Dietrich ED - Kopfer, Herbert ED - Schönberger, Jörn T1 - Topology- and shape-optimization of branched sheet metal products T2 - Operations Research Proceedings Y1 - 2006 SP - 327 EP - 336 ER -