1. Competition multigraphs and the multicompetition number;Anderson;Ars Combin.,1990
2. Niche graphs;Cable;Discrete Appl. Math.,1989
3. The m-step competition graph of a digraph;Cho;Discrete Appl. Math.,2000
4. J.E. Cohen, Interval graphs and food webs: a finding and a problem, Document 17696-PR, RAND Corp., Santa Monica, CA, 1968.
5. Connected triangle-free m-step competition graphs;Helleloid;Discrete Appl. Math.,2005