Unsold, Albrecht <br/><br/>
New cosmo 

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 - Springer-Verlag, New York  1969 
 - 371 
 - .
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Universe; Descriptive astronomy
<br/><br/><label>Dewey Class. No.: </label>523.1  UNS-N