1. P.N. Balister, E. Györi, J. Lehel, R.H. Schelp, Adjacent vertex distinguishing edge-colorings, to appear.
2. Vertex-distinguishing edge colorings of graphs;Balister;J. Graph Theory,2003
3. Problems and results on 3-chromatic hypergraphs and some related questions;Erdős,1975
4. On graph irregularity strength;Frieze;J. Graph Theory,2002