Benjamin Ka-Yin T'sou Oi Yee Kwong Wei Lung Wong Tom B. Y. Lai 171-183 2005 18 Int. J. Comput. Proc. Oriental Lang. 2 http://dx.doi.org/10.1142/S0219427905001249 db/journals/ijcpol/ijcpol18.html#TsouKWL05