00342nam a2200133Ia 450000500170000000800410001702000180005808200180007610000150009424500370010926000330014630000150017965000140019420250428162713.0231217s9999    xx            000 0 und d  a9780071445559  a658  YAN;1  R  aYang, Kai. 0aDesign for six sigma for service  c2006bMacgraw-hillaNew York  axxiii, 854  asix,sigma