Buchbesprechungen. - Joachim Gwinner; H. Läpple; Christoph Schneeweiss; Hans G. Bartels; Egon F. Kasper; Karl-Heinz Waldmann; Reiner Horst; R. Hebel; Helmuth Späth (Math. Methods Oper. Res., 1977)

The facets of the asymmetric 5-city traveling salesman polytope. - Hans G. Bartels; Sven G. Bartels (ZOR Methods Model. Oper. Res., 1989)