1. Complexes of graph homomorphisms;Babson;Isr. J. Math.,2006
2. Topological methods;Björner,1995
3. Graph Theory;Bondy,2008
4. Circular chromatic numbers of Mycielski's graphs;Change;Discrete Math.,1999
5. Fold and Mycielskian on homomorphism complexes;Csorba;Contrib. Discrete Math.,2008