EC Theory: A Unified Viewpoint. - Christopher R. Stephens; Adolfo Zamora (GECCO, 2003)

Perturbation Theory and the Renormalization Group in Genetic Dynamics. - Christopher R. Stephens; Adolfo Zamora; Alden H. Wright (FOGA, 2005)

Systematic Approximations for Genetic Dynamics. - Christopher R. Stephens; Adolfo Zamora (Adv. Complex Syst., 2009)