Terzian, Yervant <br/><br/>
Planetary Nebuae   : Observations and Theory 

 - Dordrecht:  Reidel Publishing Company  1978 
 - 
<br/><br/> Proceedings of the 76th. Symposium of the International Astronomical Union held at Cornell University, Ithaca, New York, on June 6-10, 1977 
<br/><br/><label>ISBN: </label>90-277-0872-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía