∗Seven newly discovered BL Lac objects and one new quasar from the Rosat Survey: Xie Guang-zhong, W. Brinkmann, Cha Guang-wei, Sally Laurent-Mueleisen, Zhang You-hong, Li Kai-hua, Cao Sheng-lin, Bai Jin-ming & Liu Fu-kun Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011

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