8500 



290 



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The Velocity of Groom- 



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ElsSsser, W[ilhelm]. Ein Apparat 

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Gerstmann, H. Elementare Darstel- 

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GiLlik, D. van. Zur Demonstration des 

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Hartmann, J. The Motion of Polaris 

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Ueber die Bevvegamg des 



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Weitere Uutersuchungen 



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8550 VARIABLE MOTION IN 

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Belopolsky, A. Ueber den Stern i 

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CampbeU, W[illiam] W[allace]. The 

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. . . The Variable 



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8560 SPECTROSCOPIC OBSER- 

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