North, Gerald <br/><br/>
Advanced amateur astronomy 

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 - Cambridge University Press, Cambridge  1997 
 - 400 
 - .
<br/><br/>  
<br/><br/><label>ISBN: </label>9780521574303  550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy & allied sciences
<br/><br/><label>Dewey Class. No.: </label>520  NOR-A