1. Optimal simulations of tree machines;Bhatt,1986
2. How to embed trees in hypercubes;Bhatt,1985
3. Computers and Intractability;Garey,1979
4. Embedding the directed dichotomic tree into the n-cube;Havel;Rostock Math. Kolloq.,1982
5. On hamiltonian circuits and spanning trees of hypercubes;Havel;Časopis P̌est. Mat.,1984