EXOSAT OBSERVATIONS OF FLUX AND SPECTRAL VARIABILITY IN THE SEYFERT-GALAXY NGC5548

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作者：
BRANDUARDIRAYMONT, G
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来源：
ACTIVE GALACTIC NUCLEI / | 1989年 / 134卷
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
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页码：177 / 178
页数：2
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