1. Hamiltonian cycles in vertex-transitive graphs of order 2p;Alspach,1979
2. Hamiltonian partitions of vertex-transitive graphs of order 2p;Alspach,1980
3. Research problem 59;Alspach;Discrete Math.,1984
4. Unsolved problem 4.5;Alspach;Ann. Discrete Math.,1985
5. Lifting Hamilton cycles of quotient graphs;Alspach;Discrete Math.,1989