Fehrenbach, Ch. <br/><br/>
Sectral Classification and Multicolour Photometry   

 - Dordrecht:  Reidel Publishing Company  1973 
 - 314p. ; 24 cm. 
<br/><br/> Proceedings of the 50th. Symposium or the International Astronomical Union held in Villa Carlos az, Argentina, on October 18-24, 1971 
<br/><br/><label>ISBN: </label>9027702802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía