A comparison of neutral landscapes - NK, NKp and NKq. - Nicholas Geard; Janet Wiles; Jennifer Hallinan; Bradley Tonkes; Benjamin Skellett (IEEE Congress on Evolutionary Computation, 2002)

Maximally rugged NK landscapes contain the highest peaks. - Benjamin Skellett; Benjamin Cairns; Nicholas Geard; Bradley Tonkes; Janet Wiles (GECCO, 2005)