1![](/pdf-icon.png) | Add to Reading ListSource URL: www.astro.bas.bg- Date: 2017-08-02 06:04:02
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2![](/pdf-icon.png) | Add to Reading ListSource URL: www.physik-astro.uni-bonn.de- Date: 2017-09-11 07:37:29
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3![](/pdf-icon.png) | Add to Reading ListSource URL: www.physik-astro.uni-bonn.de- Date: 2017-10-24 03:27:25
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4![](/pdf-icon.png) | Add to Reading ListSource URL: www.physik-astro.uni-bonn.de- Date: 2016-05-09 06:52:02
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5![](/pdf-icon.png) | Add to Reading ListSource URL: www.physik-astro.uni-bonn.de- Date: 2018-02-21 05:48:40
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6![](/pdf-icon.png) | Add to Reading ListSource URL: www.astro.uwo.ca- Date: 2018-06-27 15:28:06
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7![](/pdf-icon.png) | Add to Reading ListSource URL: www.astro.uni.torun.pl- Date: 2013-06-28 06:13:18
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8![](/pdf-icon.png) | Add to Reading ListSource URL: www.astro-tom.com- Date: 2016-10-15 17:04:37
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9![](/pdf-icon.png) | Add to Reading ListSource URL: www.phys-astro.sonoma.edu- Date: 2016-09-14 17:41:49
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10![](/pdf-icon.png) | Add to Reading ListSource URL: www.physik-astro.uni-bonn.de- Date: 2018-01-25 11:15:59
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