Transitivity in Two-dimensional Local Languages Defined by Dot Systems. - Natasa Jonoska; Joni Burnette Pirnot (Int. J. Found. Comput. Sci., 2006)

Finite state automata representing two-dimensional subshifts. - Natasa Jonoska; Joni Burnette Pirnot (Theor. Comput. Sci., 2009)