Hauck, B. <br/><br/>
Abundance Effects in Classification 

 - Dordrecht:  Reidel Publishing Company  1976 
 - 264p. ; 24 cm. 
<br/><br/> Proceedings of the 72nd. International Astronomical Union held in Lausanne-Dorigny, Switzerland, on Julu 8-11, 1975 
<br/><br/><label>ISBN: </label>90-277-0674-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía