1. Flip-flops in hypohamiltonian graphs;Chvátal;Can. Math. Bull.,1973
2. J.B. Collier and E.F. Schmeichel, Systematic searches for hypohamiltonian graphs, to appear.
3. New families of hypohamiltonian graphs;Doyen;Discrete Math.,1975
4. Recherche systematique des graphes hypohamiltoniens;Herz,1967
5. On hypohamiltonian graphs;Thomassen;Discrete Math.,1974