Polyominoes of Order 3 Do Not Exist. - I. N. Stewart; A. Wormstein (J. Comb. Theory A, 1992)

Examples of Forced Symmetry-Breaking to heteroclinic Cycles and Networks in Three-Dimensional Euclidean-Invariant Systems. - M. J. Parker; M. G. M. Gomes; I. N. Stewart (Int. J. Bifurc. Chaos, 2009)