Evolvability Search: Directly Selecting for Evolvability in order to Study and Produce It. - Henok Mengistu; Joel Lehman; Jeff Clune (GECCO, 2016)

The Evolutionary Origins of Hierarchy. - Henok Mengistu; Joost Huizinga; Jean-Baptiste Mouret; Jeff Clune (PLoS Comput. Biol., 2016)