Les Nebuleuses planetaries 

 - Strasburg  )bservatore de Strasburg  1986 
 - 111p.diagr. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>strophysics
<br/><br/><label>Subjects--Index Terms: </label>Planetary Nebulaes 
<br/><br/><label>Dewey Class. No.: </label>B15033L58f1598