@article {MR2502496, AUTHOR = {Herrmann, Sven and Joswig, Michael}, TITLE = {Splitting polytopes}, JOURNAL = {Münster J. Math.}, FJOURNAL = {Münster Journal of Mathematics}, VOLUME = {1}, YEAR = {2008}, PAGES = {109--141}, ISSN = {1867-5778}, MRCLASS = {52B12}, MRNUMBER = {2502496 (2010h:52015)}, }