Berg, R M <br/><br/>
Descriptive astronomy 
R. M. Berg                                                    
 - New York  D. Van Nostrand  1978 
 - xi, 323p. 
<br/><br/><label>ISBN: </label>0-442-25472-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>52  / BER