Christos A. Athanasiadis Jesús A. De Loera Victor Reiner Francisco Santos Fiber Polytopes for the Projections between Cyclic Polytopes. 19-47 2000 21 Eur. J. Comb. 1 http://dx.doi.org/10.1006/eujc.1999.0319 db/journals/ejc/ejc21.html#AthanasiadisLRS00