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By: Yang, Heng-Ren - Tang, Tian-Fu. - Lan, Xiu - Hu, Lan-Ying. - Yu, Cong-Liu - Zhang, Yi-Yong - Shi-Lan, Zhong - Wei, Jing-MingType: ArticleIn: ZittelianaVolume: 10Series:Issue:Date: 1982Page Range: 115--121Publication Info: Altötting [etc.], Komissionsverlag Geiselberger [etc.],Subjects: