Youxin Luo Weiyue Xiao Xiaoyi Che Degang Liao Modeling Research on Non-equidistant Optimum GM(1, 1) Model and Its Application Research to Metal Cutting. 643-646 2009 CSIE (1) http://doi.ieeecomputersociety.org/10.1109/CSIE.2009.286 conf/csie/2009 db/conf/csie/csie2009-1.html#LuoXCL09