1. Introduction to the Theory of Graphs;Behzad,1971
2. Decompositions of complete graphs into forests;Beineke;Magyar Tud. Akad. Mat. Kutató Int. Közl.,1964
3. Packing trees of different order into Kn;Gyárfás;Coll. Math. Soc. J. Bolyai,1978
4. Graph Theory;Harary,1969
5. Partitions of the vertex set or edge set of a graph;Straight,1977