Estrada, E. Characterization of Topological Keystone Species. Local, Global and ?Meso-Scale? Centralities in Food Webs. Ecological Complexity 4, 2007, 48-57.

Estrada, E. Characterization of Topological Keystone Species. Local, Global and ?Meso-Scale? Centralities in Food Webs. Ecological Complexity 4, 2007, 48-57. [PDF]