The Extension of The Aho-Corasick Algorithm to Multiple Rectangular Patterns of Different Sizes and N-Dimensional Patterns and Text. - Rui Feng Zhu; Masayuki Nakajima 001; Takeshi Agui (MVA, 1988)

A Technique for Two-Dimensional Pattern Matching. - Rui Feng Zhu; Tadao Takaoka (Commun. ACM, 1989)