1. On filling of space by polytopes (in Russian);Aleksandrov;Vestnik. Leningrad. Univ. (Ser. Mat. Fiz. Him.),1954
2. Aperiodic tiles;Ammann;Discrete Comput. Geom.,1992
3. Primitive five-dimensional parallelohedra;Baranovskii;Dokl. Akad. Nauk. SSSR,1973
4. A simple 4-dimensional nonfacet;Barnette;Israel J. Math.,1969
5. Nonfacets for shellable spheres;Barnette;Israel J. Math.,1980