1. Sum list coloring graphs;Berliner;Graphs Combin.,2006
2. Choosability in graphs;Erdős;Congress. Numer.,1979
3. B. Heinold, Ph.D. Thesis, Lehigh University, May 2006
4. Sum list coloring 2×n arrays;Isaak;Electron. J. Combin.,2002
5. Sum list coloring block graphs;Isaak;Graphs Combin.,2004