1. The m-step competition graph of a digraph;Cho;Discrete Applied Mathematics,2000
2. Food Webs and Niche Space;Cohen,1978
3. Connected triangle-free m-step competition graphs;Helleloid;Discrete Applied Mathematics,2005
4. The m-step, same-step, and any step competition graphs;Ho;Discrete Applied Mathematics,2005
5. The competition number and its variants;Kim;Discrete Applied Mathematics,1993