本阶官位形成与演化&北周隋唐官制研究民族资产阶级和帝国主义、地主阶级、官僚资产阶级不同。
The Formation and Changes of Ben Jie : On the Official System of Bei Zhou and Sui-Tang Dynasties The national bourgeoisie differs from the imperialists , the landlords and the bureaucrat-capitalists .
北周官制